presentation about the heart

• History & Society
• Science & Tech
• Biographies
• Animals & Nature
• Geography & Travel
• Arts & Culture
• Games & Quizzes
• On This Day
• One Good Fact
• New Articles
• Lifestyles & Social Issues
• Philosophy & Religion
• Politics, Law & Government
• World History
• Health & Medicine
• Browse Biographies
• Birds, Reptiles & Other Vertebrates
• Bugs, Mollusks & Other Invertebrates
• Environment
• Fossils & Geologic Time
• Entertainment & Pop Culture
• Sports & Recreation
• Visual Arts
• Demystified
• Image Galleries
• Infographics
• Top Questions
• Britannica Kids
• Saving Earth
• Space Next 50
• Student Center

What are heart sounds?

Our editors will review what you’ve submitted and determine whether to revise the article.

• Medicine LibreTexts - The Cardiovascular System - The Heart
• National Geographic - Science - Heart
• National Center for Biotechnology Information - PubMed Central - What Is the Heart? Anatomy, Function, Pathophysiology, and Misconceptions
• The Nemours Foundation - For Teens - Heart and Circulatory System
• GlobalSecurity.org - Indonesia History - 670-1375 - Srivijaya-Palembang
• National Heart, Lung, and Blood Institute - Physical Activity and Your Heart - What Is Physical Activity?
• heart - Children's Encyclopedia (Ages 8-11)
• heart - Student Encyclopedia (Ages 11 and up)

Where is the heart located in the human body?

In humans, the heart is situated between the two lungs and slightly to the left of center, behind the breastbone. It rests on the diaphragm, the muscular partition between the chest and the abdominal cavity.

What is the heart wall made up of?

The heart consists of several layers of a tough muscular wall, the myocardium. A thin layer of tissue, the pericardium, covers the outside, and another layer, the endocardium, lines the inside.

What causes the heart to beat?

The pumping of the heart, or the heartbeat, is caused by alternating contractions and relaxations of the myocardium. These contractions are stimulated by electrical impulses from a natural pacemaker, the sinoatrial, or S-A, node located in the muscle of the right atrium.

The rhythmic noises accompanying the heartbeat are called heart sounds. The two distinct sounds are heard, a low, slightly prolonged “lub” (first sound) occurring at the beginning of ventricular contraction or systole and a sharper, higher-pitched “dup” (second sound), caused by the closure of aortic and pulmonary valves at the end of systole.

heart , organ that serves as a pump to circulate the blood . It may be a straight tube, as in spiders and annelid worms, or a somewhat more elaborate structure with one or more receiving chambers (atria) and a main pumping chamber (ventricle), as in mollusks. In fishes the heart is a folded tube, with three or four enlarged areas that correspond to the chambers in the mammalian heart. In animals with lungs —amphibians, reptiles, birds, and mammals—the heart shows various stages of evolution from a single to a double pump that circulates blood (1) to the lungs and (2) to the body as a whole.

In humans and other mammals and in birds , the heart is a four-chambered double pump that is the centre of the circulatory system . In humans it is situated between the two lungs and slightly to the left of centre, behind the breastbone; it rests on the diaphragm , the muscular partition between the chest and the abdominal cavity .

The heart consists of several layers of a tough muscular wall, the myocardium . A thin layer of tissue , the pericardium , covers the outside, and another layer, the endocardium , lines the inside. The heart cavity is divided down the middle into a right and a left heart, which in turn are subdivided into two chambers . The upper chamber is called an atrium (or auricle), and the lower chamber is called a ventricle . The two atria act as receiving chambers for blood entering the heart; the more muscular ventricles pump the blood out of the heart.

The heart, although a single organ, can be considered as two pumps that propel blood through two different circuits. The right atrium receives venous blood from the head , chest, and arms via the large vein called the superior vena cava and receives blood from the abdomen , pelvic region, and legs via the inferior vena cava. Blood then passes through the tricuspid valve to the right ventricle, which propels it through the pulmonary artery to the lungs . In the lungs venous blood comes in contact with inhaled air, picks up oxygen , and loses carbon dioxide . Oxygenated blood is returned to the left atrium through the pulmonary veins. Valves in the heart allow blood to flow in one direction only and help maintain the pressure required to pump the blood.

The low-pressure circuit from the heart (right atrium and right ventricle), through the lungs, and back to the heart (left atrium) constitutes the pulmonary circulation . Passage of blood through the left atrium, bicuspid valve, left ventricle, aorta , tissues of the body, and back to the right atrium constitutes the systemic circulation . Blood pressure is greatest in the left ventricle and in the aorta and its arterial branches. Pressure is reduced in the capillaries (vessels of minute diameter) and is reduced further in the veins returning blood to the right atrium.

The pumping of the heart, or the heartbeat , is caused by alternating contractions and relaxations of the myocardium. These contractions are stimulated by electrical impulses from a natural pacemaker, the sinoatrial , or S-A, node located in the muscle of the right atrium . An impulse from the S-A node causes the two atria to contract, forcing blood into the ventricles. Contraction of the ventricles is controlled by impulses from the atrioventricular , or A-V, node located at the junction of the two atria. Following contraction, the ventricles relax, and pressure within them falls. Blood again flows into the atria, and an impulse from the S-A starts the cycle over again. This process is called the cardiac cycle . The period of relaxation is called diastole . The period of contraction is called systole . Diastole is the longer of the two phases so that the heart can rest between contractions . In general, the rate of heartbeat varies inversely with the size of the animal . In elephants it averages 25 beats per minute, in canaries about 1,000. In humans the rate diminishes progressively from birth (when it averages 130) to adolescence but increases slightly in old age; the average adult rate is 70 beats at rest. The rate increases temporarily during exercise , emotional excitement, and fever and decreases during sleep . Rhythmic pulsation felt on the chest, coinciding with heartbeat, is called the apex beat. It is caused by pressure exerted on the chest wall at the outset of systole by the rounded and hardened ventricular wall.

The rhythmic noises accompanying heartbeat are called heart sounds . Normally, two distinct sounds are heard through the stethoscope : a low, slightly prolonged “lub” (first sound) occurring at the beginning of ventricular contraction, or systole, and produced by closure of the mitral and tricuspid valves, and a sharper, higher-pitched “dup” (second sound), caused by closure of aortic and pulmonary valves at the end of systole. Occasionally audible in normal hearts is a third soft, low-pitched sound coinciding with early diastole and thought to be produced by vibrations of the ventricular wall. A fourth sound, also occurring during diastole, is revealed by graphic methods but is usually inaudible in normal subjects; it is believed to be the result of atrial contraction and the impact of blood, expelled from the atria, against the ventricular wall.

Heart “murmurs” may be readily heard by a physician as soft swishing or hissing sounds that follow the normal sounds of heart action. Murmurs may indicate that blood is leaking through an imperfectly closed valve and may signal the presence of a serious heart problem. Coronary heart disease , in which an inadequate supply of oxygen-rich blood is delivered to the myocardium owing to the narrowing or blockage of a coronary artery by fatty plaques, is a leading cause of death worldwide.

Cardiovascular System

• It is know as the “transportation” system of the body

Structures Include:

-Blood Vessels

Layers of the Heart

• Endocardium
• Smooth layer
• Lines the interior
• Valves are made from this layer
• Muscle layer
• Thickest layer
• Thin, outermost layer
• Joins with serous lining outside the heart to form the Pe ricardium
• Separates the left and right heart
• Interatrial – top part of the septum
• Interventricular – bottom part of the septum

The Four Chambers

• Right Atrium
• Right Ventricle
• Left Atrium
• Left Ventricle
• Right Atrium – receives blood from the superior and inferior vena cava
• Right Ventricle – pumps blood to the lungs
• Left Atrium – receives oxygenated blood from the lungs
• Left Ventricle – pumps oxygenated blood to the rest of the body, strongest chamber
• Valves are important to control the flow of blood from one chamber of the heart to another .
• Valves allow blood to flow in only one direction

Heart Valves

Tricuspid valve – opening between right atria and right ventricle

Pulmonary semilunar valve – opening between right ventricle and pulmonary artery

Mitral valve (also called bicuspid) – opening between left atrium and left ventricle

Aortic semilunar valve – located between left ventricle and aorta

• Chordae tendineae – threads, keep valve flaps from flipping up into the atria
• Right Atrioventricular (tricuspid valve) – between the right atrium and right ventricle, has 3 flaps, prevents blood from flowing back into the right atrium
• Pulmonic (semilunar valve) – between the right ventricle and the pulmonary artery, prevents blood from flowing back into the right ventricle
• Left Atrioventricular (bicuspid valve) – between the left atrium and left ventricle, prevents blood from flowing back into the left atrium, has 2 flaps (mitral valve)
• Aortic Valve – between the left ventricle and the aorta, prevents blood from flowing back into the left ventricle

• Success stories
• Spine and back
• Pelvis and perineum
• Head and neck
• Neuroanatomy
• Cross sections
• Radiological anatomy
• Types of tissues
• Body systems

Register now and grab your free ultimate anatomy study guide!

Author: Jana Vasković, MD • Reviewer: Alexandra Osika Last reviewed: November 03, 2023 Reading time: 12 minutes

The heart is a muscular organ that pumps blood around the body by circulating it through the circulatory/vascular system. It is found in the middle mediastinum , wrapped in a two-layered serous sac called the pericardium . The heart is shaped as a quadrangular pyramid, and orientated as if the pyramid has fallen onto one of its sides so that its base faces the posterior thoracic wall, and its apex is pointed toward the anterior thoracic wall. The great vessels that originate from the heart, radiate their branches to the head and neck , the thorax and abdomen and the upper and lower limbs .

The heart holds a special position in anatomical sciences. For instance, you can live without your spleen or with only one kidney , you can even regrow your liver–but you cannot live without a heart. This page will introduce you to the anatomy of the heart.

Heart anatomy

• Heart valves

Blood flow through the heart

Coronary circulation, great vessels of the heart, clinical notes, related articles.

The heart has five surfaces: base (posterior), diaphragmatic (inferior), sternocostal (anterior), and left and right pulmonary surfaces. It also has several margins: right, left, superior, and inferior: 

• The right margin is the small section of the right atrium that extends between the superior and inferior vena cava . 
• The left margin is formed by the left ventricle and left auricle. 
• The superior margin in the anterior view is formed by both atria and their auricles.
• The Inferior margin is marked by the right ventricle.

Inside, the heart is divided into four heart chambers: two atria (right and left) and two ventricles (right and left). 

The right atrium and ventricle receive deoxygenated blood from systemic veins and pump it to the lungs , while the left atrium and ventricle receive oxygenated blood from the lungs and pump it to the systemic vessels which distribute it throughout the body. 

The left and right sides of the heart are separated by the interatrial and interventricular septa which are continuous with each other. Furthermore, the atria are separated from the ventricles by the atrioventricular septa . Blood flows from the atria into the ventricles through the atrioventricular orifices (right and left)–openings in the atrioventricular septa. These openings are periodically shut and open by the heart valves , depending on the phase of the heart cycle .

Although there are a lot of structures in the heart diagrams, you shall not worry, we’ve got them all covered for you in these articles and video tutorials. Be sure to check out our specially designed heart anatomy quiz which will help you to master the heart anatomy.

Heart valves separate atria from ventricles, and ventricles from great vessels. The valves incorporate two or three leaflets (cusps) around the atrioventricular orifices and the roots of great vessels.

The cusps are pushed open to allow blood flow in one direction, and then closed to seal the orifices and prevent the backflow of blood. Backward prolapse of the cusps is prevented by the chordae tendineae –also known as the heart strings–fibrous cords that connect the papillary muscles of the ventricular wall to the atrioventricular valves. 

There are two sets of valves: atrioventricular and semilunar. The atrioventricular valves prevent backflow from the ventricles to the atria:

• The right atrioventricular/tricuspid valve is between the right atrium and right ventricle. It has three cusps/leaflets: anterior/anterosuperior, septal, and posterior/inferior.
• The left atrioventricular/bicuspid valve is also called the mitral valve since it only has two cusps and resembles a miter in shape. It is between the left atrium and left ventricle and has two cusps/leaflets: anterior/aortic and posterior/mural.

It is very easy to remember which is which if you use a  mnemonic ! Just memorise LAB RAT and you're set!

L eft A trium: B icuspid

Right A trium: T ricuspid

Semilunar valves prevent backflow from the great vessels to the ventricles. 

• The pulmonary semilunar valve is between the right ventricle and the opening of the pulmonary trunk . It has three semilunar cusps/leaflets: anterior/non-adjacent, left/left adjacent, and right/right adjacent.
• The aortic semilunar valve is between the left ventricle and the opening of the aorta. It has three semilunar cusps/leaflets: left/left coronary, right/right coronary, and posterior/non-coronary. 

In clinical practice, the heart valves can be auscultated, usually by using a stethoscope. In order to be successful, one needs to master the surface projections of the heart . 

We have created a quiz, so you can test your newly acquired knowledge on the heart valves.

Heart valves mnemonic

Need an easy way to remember the four heart valves? Memorise the phrase ' T ry  P ulling  M y  A orta', which stands for:

T ricuspid P ulmonary M itral A ortic

You can then go on to solidify your knowledge about heart valve anatomy with this study unit:

The blood flow through the heart is quite logical. It happens with the heart cycle, which consists of the periodical contraction and relaxation of the atrial and ventricular myocardium ( heart muscle tissue ). Systole is the period of contraction of the ventricular walls, while the period of ventricular relaxation is known as diastole. Note that whenever the atria contract, the ventricles are relaxed and vice versa. Let’s put into words the heart blood flow diagram:

• The right atrium receives deoxygenated blood from the superior and inferior venae cavae and coronary sinus
• The right atrium contracts pushing blood through the right atrioventricular valve into the right ventricle. The right ventricle then contracts passing the blood into the pulmonary trunk via the pulmonary valve to reach the lungs 
• In the lungs, the blood gets oxygenated then moves back into the heart entering the left atrium through the pulmonary veins.
• The left atrium contracts and pushes the blood into the left ventricle through the left atrioventricular valve. 
• The left ventricle pushes oxygenated blood through the aortic semilunar valve into the aorta, from which blood is distributed throughout the body.

The heart cycle is regulated completely subconsciously by an autonomic nerve plexus called the cardiac plexus .

Do you find the anatomy of the heart confusing? Learn actively all the features of this organ and cement them long term by testing yourself using Kenhub's diagrams, quizzes and worksheets of the heart ! 

The heart must also be supplied with oxygenated blood. This is done by the two coronary arteries: left and right.

Heart muscles work constantly (thank goodness!), so the heart has a very high nutrient need. The coronary arteries arise from the aortic sinuses at the beginning of the ascending aorta , and then circle the heart–giving off several branches. In this way, oxygenated blood reaches every part of the heart.Venous blood from the heart is collected into the cardiac veins : middle, posterior, and small. They are all tributaries to coronary sinus –a large vessel that delivers deoxygenated blood from the myocardium to the right atrium.We’ve got you covered with coronary vasculature anatomy here.

Check out our clinical cases as well to see how bad it is when something is wrong with coronary circulation .

The great vessels of the heart are the: aorta , pulmonary artery , pulmonary vein , and superior and inferior vena cava . Why are they called the great vessels? Because they are large in size; the diameter of the ascending aorta is 2.1 centimeters, which is like the size of an American nickel (five-cent coin), and they all carry blood to and from the heart. Oh, not to mention that the aorta gives off branches which supply the entire body with oxygenated blood.

Major branches of the aorta include the brachiocephalic trunk , the left common carotid artery and the left subclavian artery. The superior vena cava receives blood from the upper half of the body via the left and right brachiocephalic veins , and the inferior vena cava from the lower half, through the common iliac veins.

Test yourself on the blood vessels of the heart with our quiz.

There are many disorders that can affect the heart and its adjacent structures. Below are a collection of different diseases, to name but a few.

Angina Pectoris is a pain in the chest that comes and goes and is due to the lack of oxygenation of the myocardium. Stable angina is the most common form and occurs because of the severe narrowing of the coronary arteries. Pain is felt upon exertion and is treated with nitroglycerin.

Infective endocarditis is a bacterial or fungal infection of the heart and can include but is not limited to the cardiac valves. These vegetative growths can be acute or chronic and are dangerous because of the potential embolization risk if they were to fragment.

The variations of congenital heart disease usually have an unknown etiology. Certain syndromes that occur due to chromosomal abnormalities usually have secondary heart defects which can include atrial septal defects , ventricular septal defects , a patent ductus arteriosus and even in some cases transposition of the great vessels . Down syndrome and turner syndrome are among the most common and well known chromosomal abnormalities.

Illustrations:

• Heart (right lateral view) - Yousun Koh
• Right atrium and ventricle of the heart - Yousun Koh
• Left atrium and ventricle of the heart - Yousun Koh
• Heart valves diagram - Yousun Koh
• Coronary circulation - Yousun Koh
• Heart valves in a cadaver - Prof. Carlos Suárez-Quian

Articles within this topic:

• Anterior cardiac veins
• Anterior interventricular sulcus
• Aortic valve
• Apex of the heart
• Ascending aorta
• Atria of the heart
• Atrioventricular node
• Blood supply of the heart
• Circumflex artery
• Clinical case: Chronic thoracic aneurysm
• Clinical case: Long ectopic left main coronary artery
• Conduction system of the heart
• Conus arteriosus
• Coronary sinus
• Coronary sulcus
• Crista terminalis
• Diagrams, quizzes and worksheets of the heart
• Disorders of coronary vessels
• Embryology of the heart
• Fetal circulation
• Fibrous skeleton of the heart
• Great cardiac vein
• Heart auscultation and percussion
• Inferior vena cava
• Innervation of the heart
• Interatrial septum
• Interventricular septum
• Layers of the heart
• Left anterior descending artery (LAD artery)
• Left coronary artery
• Ligamentum arteriosum and ductus arteriosus
• Middle cardiac vein
• Pectinate muscles
• Pericardial cavity
• Pericardium
• Posterior interventricular artery
• Pulmonary circulation
• Pulmonary valve
• Pulmonary veins
• Right coronary artery
• Right marginal artery
• Sinoatrial node
• Small cardiac vein
• Smallest cardiac veins (Thebesian veins)
• Superior vena cava
• Surface projections of the heart
• Tachycardia
• Trabeculae carneae
• Tributaries of the inferior vena cava
• Valvular heart disease
• Ventricles of the heart

Heart: want to learn more about it?

Our engaging videos, interactive quizzes, in-depth articles and HD atlas are here to get you top results faster.

What do you prefer to learn with?

“I would honestly say that Kenhub cut my study time in half.” – Read more.

Learning anatomy isn't impossible. We're here to help.

Learning anatomy is a massive undertaking, and we're here to help you pass with flying colours.

Want access to this video?

• Curated learning paths created by our anatomy experts
• 1000s of high quality anatomy illustrations and articles
• Free 60 minute trial of Kenhub Premium!

...it takes less than 60 seconds!

Want access to this quiz?

Want access to this gallery.

• Upload Ppt Presentation
• Upload Pdf Presentation
• Upload Infographics
• User Presentation
• Related Presentations

Importance of Physiotherapy in Hemophilia

By: drdwayn Views: 1677

DNA STRUCTURE

By: drdwayn Views: 1012

Classification and management of wound principle of bleeding control

By: drdwayn Views: 1073

Kyphosis and Early-Onset Spine Deformity

By: drdwayn Views: 1489

Hand Arm Vibration Syndrome-Line Manager Guide

By: drdwayn Views: 1270

Antianginal Drugs

By: drdwayn Views: 1831

Paediatric Cardiology

By: simplepresent Views: 833

Pregnancy and the Heart and Vessels

By: simplepresent Views: 780

Cardiovascular Diseases

By: Niazi111 Views: 1241

New Hypertension Guidelines and The Pivotal Role of Pharmacists

By: JenniferDwayne Views: 1068

• About : I am Dr. Dwayne Faulk
• Occupation : Medical Professional
• Specialty : Other Health Professionals
• Country : United States of America

HEALTH A TO Z

• Eye Disease
• Heart Attack
• Medications

• Type 2 Diabetes
• Heart Disease
• Digestive Health
• Multiple Sclerosis
• Diet & Nutrition
• Health Insurance
• Public Health
• Patient Rights
• Caregivers & Loved Ones
• End of Life Concerns
• Health News
• Thyroid Test Analyzer
• Doctor Discussion Guides
• Hemoglobin A1c Test Analyzer
• Lipid Test Analyzer
• Complete Blood Count (CBC) Analyzer
• What to Buy
• Editorial Process
• Meet Our Medical Expert Board

How the Cardiovascular System Works (and Fails)

• Labeled Parts
• How the Heart Moves Blood
• Causes of Dysfunction
• Supporting the System

The cardiovascular system, also known as the circulatory system, includes the heart and blood vessels. It plays an important role in transporting blood to organs and tissues throughout the body.

Illustration by Zoe Hansen for Verywell Health

Labeled Parts of the Cardiovascular System

The diagram is labeled with the main parts of the cardiovascular system: the heart, arteries, capillaries, and veins.

Heart: A Muscular Pump

The heart is a fist-sized organ in the chest that is responsible for pumping blood. It has four chambers: two upper chambers (atria) and two lower chambers (ventricles). These chambers are separated by valves to keep blood flowing in the proper direction.

The right atrium and right ventricle receive oxygen-deprived blood from the body and pump it to the lungs to get oxygen. This blood travels to the left heart, where it's then pumped to the rest of the body to deliver oxygen to tissues.

Arteries: Tubes to Delivery Blood Away From the Heart

Arteries are blood vessels that act as tubes to carry blood away from the heart. There are two main types of arteries: systemic arteries and pulmonary arteries.

• Systemic arteries take oxygen-rich blood from the heart to the body. These include the aorta and it's branches.
• Pulmonary arteries take oxygen-deprived blood from the right heart to the lungs to get more oxygen.

The major arteries branch into smaller arteries, called arterioles. These connect to capillaries, where the direct exchange of nutrients and oxygen to the tissues occurs.

Arteries have three layers, including a muscular layer that allows them to change their diameter (constrict or dilate) to control the flow of blood.

Capillaries: Small Blood Vessels for Nutrient and Gas Exchange

Capillaries are microscopic blood vessels that receive oxygen-rich blood from arterioles. Capillaries allow gas (oxygen and carbon dioxide) and nutrients to flow between the blood to the body's tissues. Capillaries connect to veins which bring blood back to the heart.

Veins: Tubes to Deliver Blood Back to the Heart

Veins are blood vessels that carry blood back to the heart. In the lungs, they carry newly oxygenated blood back to the heart so it can be pumped to the body. In the rest of the body, they take the now oxygen-depleted blood from capillaries back to the heart so it can be pumped to the lungs.

Veins have thinner walls than arteries. They also have valves that prevent blood from flowing backward.

How the Heart Moves Blood Through Body

The heart is a muscular organ responsible for the flow of blood in the body. The heart has a right and a left side, each with an upper chamber (atrium) and lower chamber (ventricle). The right atrium receives oxygen-deprived blood from the body. The blood travels across the tricuspid valve into the right ventricle, which pumps the blood across the pulmonic valve to the pulmonary arteries. The pulmonary arteries carry the blood to the lungs, where it receives oxygen.

The now oxygen-rich blood travels to the pulmonary veins to the left atrium. From the left atrium, blood travels across the mitral valve into the heart's main muscular chamber, the left ventricle. The left ventricle pumps blood across the aortic valve into the aorta, the body's main artery.

The aorta branches into many arteries that carry blood all over the body. These arteries further branch into arterioles, which bring blood to capillaries. In the capillaries, gas exchange occurs. This means oxygen travels to the tissues and carbon dioxide waste travels to the blood. From here, the blood is carried by veins back to the right side of the heart.

This process is continuously occurring. The heart pumps typically 60–100 times per minute at rest to keep the blood flowing.

What Affects Cardiovascular System Function?

There are many things that can go wrong with the cardiovascular system. Cardiovascular disease, which includes heart attack and stroke, is the number one cause of death worldwide.

Associated Conditions and Dysfunction

Several conditions affect the function of the cardiovascular system. These can be broken down into problems with the heart or the blood vessels. Some of these conditions, like high blood pressure (hypertension) and early atherosclerosis, may not have any symptoms at all.

Blood vessel problems can occur in arteries or veins. In arteries, plaque buildup, blood clots, tears, or ruptures can occur. Problems with arteries include:

• Atherosclerosis is the buildup of fatty cholesterol plaques in the blood vessels.
• High blood pressure is elevated pressures exerted on blood vessel walls. This increases the risk of heart attack and stroke
• Dissection is a tear in the lining of an artery. This can occur in various arteries in the body. Major complications can arise from dissection in the aorta ( aortic dissection ) or coronary arteries ( coronary artery dissection ).
• Thrombosis is the formation of a clot in a blood vessel. This blocks blood flow, leading to poor oxygen supply to organs. It can cause heart attack and stroke.
• Embolism is a blood clot that travels from elsewhere in the body and gets lodged in a blood vessel, blocking off blood flow. This leads to damage of organs that rely on that particular blood vessel. A pulmonary embolism is an example of an embolism that travels to the arteries in the lungs.
• Aneurysm is an enlargement or bulge in part of an artery. This can occur in various parts of the body, and can cause serious complications if it bursts or ruptures.
• Vasculitis is inflammation of blood vessels.
• Congenital malformations of blood vessels are defects in blood vessels present at birth that cause difficulties with blood flow.

Problems with veins include:

• Venous insufficiency is a condition in which veins can't get blood back to the heart as well as they should.
• Blood clots are masses of blood, such as in deep vein thrombosis , that can travel to the lungs to become a pulmonary embolism.
• Phlebitis is inflammation of a superficial vein, which often leads to blood clot formation ( thrombophlebitis ).

Heart problems can involve the heart muscle, valves, coronary arteries, or electrical system. Common heart problems include:

• Myocarditis , or inflammation of the heart muscle
• Arrhythmias (abnormal heart rhythms), such as atrial fibrillation or heart block
• Congenital heart problems , like malformations of heart walls detected at or before birth
• Coronary artery disease , a common cause of heart attack
• Heart failure (cardiomyopathy), when the heart can't pump sufficient blood and oxygen to support organs
• Valvular heart disease , such as narrowing (stenosis) or leakiness (regurgitation) of the heart's valves

Cardiovascular Emergencies

Some forms of cardiovascular disease are life-threatening emergencies that require immediate treatment, like a heart attack, aortic dissection, and stroke. If you develop symptoms of these conditions, it's important to call 911 to be transported to the nearest emergency facility for medical care. Symptoms of cardiovascular emergencies include:

• Chest pressure or discomfort that may radiate to the neck, jaw, upper arm or back
• Shortness of breath
• Tearing chest or back pain
• Weakness on one side of the face or body, confusion difficulty speaking
• Sudden collapse or loss of consciousness

How to Support Your Cardiovascular System

The cardiovascular system is essential to health, so it's important to take care of it. There are several ways to keep your heart and blood vessels healthy. These include:

• Eat a heart-healthy diet with lots of vegetables, fruit, and fiber. Choose whole grains. Avoid sugary drinks and ultra-processed foods that are high in salt and saturated fats.
• Get regular physical exercise. Aim for at least 150 minutes of moderate-intensity exercise (like a brisk walk) over the course of a week, or 75 minutes of more vigorous exercise per week.
• Quit smoking and avoid secondhand smoke.
• Get quality sleep, aiming for seven to nine hours per night.
• See your healthcare provider to check your blood pressure, cholesterol, weight, and blood sugar and discuss ways to keep those values within healthy ranges.

The cardiovascular system includes the heart, arteries, capillaries, and veins. It plays a vital role in supplying blood with oxygen and nutrients throughout the body. Problems with the cardiovascular system are common, but many are preventable. Lifestyle management can help keep your cardiovascular system in good shape. This includes a heart-healthy diet, regular physical exercise, avoiding smoking, getting good sleep, and controlling risk factors.

National Heart, Lung, and Blood Institute. How the heart works .

National Cancer Institute. Classification and structure of blood vessels .

National Heart, Lung, and Blood Institute. How blood flows through the heart .

American Heart Association. All About Heart Rate .

Centers for Disease Control and Prevention: Heart Disease Facts .

American Heart Association. Facts about high blood pressure .

MedlinePlus. Vascular diseases .

American Heart Association. What is cardiovascular disease?

American Heart Association. Heart attack, stroke, and cardiac arrest symptoms .

American Heart Association. Life's essential 8 .

By Angela Ryan Lee, MD Dr. Lee is an Ohio-based board-certified physician specializing in cardiovascular diseases and internal medicine.

Got any suggestions?

We want to hear from you! Send us a message and help improve Slidesgo

Top searches

Trending searches

american history

85 templates

101 templates

49 templates

62 templates

44 templates

art portfolio

100 templates

Heart Anatomy

It seems that you like this template, heart anatomy presentation, premium google slides theme, powerpoint template, and canva presentation template.

The heart is one of the most vital organs in the human body. Its role in sustaining life is paramount, as it pumps blood throughout the body, delivering essential nutrients and oxygen to all the organs and tissues. But... why does it look nothing like the cute shape we always draw? Maybe that's something that can be answered from the point of view of anatomy. This template is here to display all the information and concepts that you need to teach. All backgrounds have textures, and the slides come with a nice frame. Needless to say, every resource included is editable!

Features of this template

• 100% editable and easy to modify
• 35 different slides to impress your audience
• Contains easy-to-edit graphics such as graphs, maps, tables, timelines and mockups
• Includes 500+ icons and Flaticon’s extension for customizing your slides
• Designed to be used in Google Slides, Canva, and Microsoft PowerPoint
• 16:9 widescreen format suitable for all types of screens
• Includes information about fonts, colors, and credits of the resources used

What are the benefits of having a Premium account?

What Premium plans do you have?

What can I do to have unlimited downloads?

Don’t want to attribute Slidesgo?

Gain access to over 29800 templates & presentations with premium from 1.67€/month.

Are you already Premium? Log in

Register for free and start downloading now

Related posts on our blog.

How to Add, Duplicate, Move, Delete or Hide Slides in Google Slides

How to Change Layouts in PowerPoint

How to Change the Slide Size in Google Slides

Related presentations.

Premium template

Unlock this template and gain unlimited access

Create your presentation Create personalized presentation content

Writing tone, number of slides.

Register for free and start editing online

The federal government filed a new indictment against Donald Trump over efforts to undo the 2020 presidential election.

• READ INDICTMENT

Mariah Carey says her 'heart is broken' after mother and sister died on the same day

by KAITLYN HUAMANI | Associated Press

LOS ANGELES (AP) — Mariah Carey’s mother Patricia and sister Alison both died on the same day, the singer said Monday.

“My heart is broken that I’ve lost my mother this past weekend. Sadly, in a tragic turn of events, my sister lost her life on the same day,” the Grammy-winning singer said in a statement.

“I feel blessed that I was able to spend the last week with my mom before she passed,” the statement continued. “I appreciate everyone’s love and support and respect for my privacy during this impossible time.”

The Times Union reported Monday that Alison, who was largely estranged from Carey, died at 63 from complications with her organ function and that she had been in hospice care.

People Magazine first reported the news of their deaths and Carey’s statement.

Patricia was a Juilliard-trained opera singer who Carey credits as an inspiration to her from a young age.

“I would sing little tunes around the house, to my mother’s delight. And she always encouraged me,” she wrote in her 2020 memoir, “The Meaning of Mariah Carey.”

Patricia was previously married to Alfred Roy Carey, the singer’s father. The parents divorced when the “Vision of Love” singer was 3. Carey grew up in Suffolk County on Long Island and lived primarily with her mother after her parents’ divorce. Her father died of cancer in 2002 at age 72.

Carey detailed her complicated relationship with her mother and her sister in her memoir, in which she wrote that she and her mother often clashed, causing her to feel “so much pain and confusion,” and accused her sister of putting her in unsafe situations as a child.

“Like many aspects of my life, my journey with my mother has been full of contradictions and competing realities. It’s never been only black-and-white — it’s been a whole rainbow of emotions,” Carey wrote in the book. “Our relationship is a prickly rope of pride, pain, shame, gratitude, jealousy, admiration and disappointment. A complicated love tethers my heart to my mother’s.”

Carey maintained contact with her mother and even recorded a duet of “O Come All Ye Faithful/Hallelujah Chorus” for the singer’s second Christmas album in 2010.

Functions of the Heart

Sep 11, 2014

411 likes | 3.4k Views

Functions of the Heart. Generating blood pressure Routing blood Heart separates pulmonary and systemic circulations Ensuring one-way blood flow Heart valves ensure one-way flow Regulating blood supply

Share Presentation

• blood pressure
• cardiac muscle
• body temperature
• heart rate decreases
• force match blood delivery

Presentation Transcript

Functions of the Heart • Generating blood pressure • Routing blood • Heart separates pulmonary and systemic circulations • Ensuring one-way blood flow • Heart valves ensure one-way flow • Regulating blood supply • Changes in contraction rate and force match blood delivery to changing metabolic needs

Size, Shape, Location of the Heart • Size of a closed fist • Shape • Apex: Blunt rounded point of cone • Base: Flat part at opposite of end of cone • Located in thoracic cavity in mediastinum

Pericardium

Heart Wall • Three layers of tissue • Epicardium: This serous membrane of smooth outer surface of heart • Myocardium: Middle layer composed of cardiac muscle cell and responsibility for heart contracting • Endocardium: Smooth inner surface of heart chambers

External Anatomy • Four chambers • 2 atria • 2 ventricles Major veins • Superior vena cava • Pulmonary veins • Major arteries • Aorta • Pulmonary trunk

Heart Valves • Atrioventricular • Tricuspid • Bicuspid or mitral • Semilunar • Aortic • Pulmonary • Prevent blood from flowing back

Function of the Heart Valves

Blood Flow Through Heart

Systemic and PulmonaryCirculation

Heart Skeleton • Consists of plate of fibrous connective tissue between atria and ventricles • Fibrous rings around valves to support • Serves as electrical insulation between atria and ventricles • Provides site for muscle attachment

Cardiac Muscle • Elongated, branching cells containing 1-2 centrally located nuclei • Contains actin and myosin myofilaments • Intercalated disks: Specialized cell-cell contacts • Desmosomes hold cells together and gap junctions allow action potentials • Electrically, cardiac muscle behaves as single unit

Conducting System of Heart

Cardiac Arrhythmias • Tachycardia: Heart rate in excess of 100bpm • Bradycardia: Heart rate less than 60 bpm • Sinus arrhythmia: Heart rate varies 5% during respiratory cycle and up to 30% during deep respiration • Premature atrial contractions: Occasional shortened intervals between one contraction and succeeding, frequently occurs in healthy people

Cardiac Cycle • Heart is two pumps that work together, right and left half • Repetitive contraction (systole) and relaxation (diastole) of heart chambers • Blood moves through circulatory system from areas of higher to lower pressure. • Contraction of heart produces the pressure

Heart Sounds • First heart sound or “lubb” • Atrioventricular valves and surrounding fluid vibrations as valves close at beginning of ventricular systole • Second heart sound or “dupp” • Results from closure of aortic and pulmonary semilunar valves at beginning of ventricular diastole, lasts longer • Third heart sound (occasional) • Caused by turbulent blood flow into ventricles and detected near end of first one-third of diastole

Mean Arterial Pressure (MAP) • Average blood pressure in aorta • MAP=CO x PR • CO is amount of blood pumped by heart per minute • CO=SV x HR • SV: Stroke volume of blood pumped during each heart beat • HR: Heart rate or number of times heart beats per minute • Cardiac reserve: Difference between CO at rest and maximum CO • PR is total resistance against which blood must be pumped

Regulation of the Heart • Intrinsic regulation: Results from normal functional characteristics, not on neural or hormonal regulation • Starling’s law of the heart • Extrinsic regulation: Involves neural and hormonal control • Parasympathetic stimulation • Supplied by vagus nerve, decreases heart rate, acetylcholine secreted • Sympathetic stimulation • Supplied by cardiac nerves, increases heart rate and force of contraction, epinephrine and norepinephrine released

Heart Homeostasis • Effect of blood pressure • Baroreceptors monitor blood pressure • Effect of pH, carbon dioxide, oxygen • Chemoreceptors monitor • Effect of extracellular ion concentration • Increase or decrease in extracellular K+ decreases heart rate • Effect of body temperature • Heart rate increases when body temperature increases, heart rate decreases when body temperature decreases

• More by User

IDOLS OF THE HEART

IDOLS OF THE HEART. Learning to Long for God Alone by Elyse Fitzpatrick Presented by Elder Wendie G. Trott. Chapter 4: The Heart Changer.

548 views • 22 slides

Development of the Heart

Development of the Heart . ANHB 2212 – 2006 – Week 5 Avinash Bharadwaj. Retrospect….

794 views • 27 slides

Anatomy of the Heart

Anatomy of the Heart. Part 1. Anatomy of the Heart. Heart Hollow organ Located in the middle mediastinum Surrounded by pericardium Attached to the thorax by the great vessels. Thoracic Cavity. Thoracic Cavity. Right Pleural Cavity. Mediastium. Left Pleural Cavity. Left Lung.

1.59k views • 32 slides

Doors of the Heart Chambers of the Heart The Crimson Stream

Easy: The Heart Doors of the heart Chambers of the heart The Crimson stream. Easiest. Easy. Hard. Hardest. Tour Guide. Welcome buddy , If this is too hard for you, click here If this is too easy for you, click here. Doors of the Heart Chambers of the Heart The Crimson Stream.

1.07k views • 88 slides

Pathology of the Heart

Pathology of the Heart. 4/22/09 Dr. Winokur. The Heart as a Pump. Pump parts - Cardiac equivalent Powersource - Blood supply/oxygen Motor - Myocardium Pump with valves - Cardiac valves Control circuit - Conducting system and neurohumoral control.

927 views • 60 slides

Anatomy of the Heart. The heart is located in the chest cavity, surrounded by the pericardial sac, in the anterior portion of the mediastinum. . The Pericardium. Pericardial cavity. The pericardium is a double-walled sac (pericardial sac) that encloses the heart. Parietal pericardium.

2.05k views • 31 slides

Development of the heart

Development of the heart. Dr Rania Gabr. oBJECTIVES. Describe the formation and position of the heart tube. Explain the mechanism of formation of the cardiac loop. Discuss the development of sinus venosus . Explain how cardiac septa are formed.

1.72k views • 56 slides

Anatomy of the Heart . BIOLOGY FORM 5.

240 views • 13 slides

Anatomy of the Heart. DR. SAEED VOHRA DR . SANAA AL-SHAARAWI. OBJECTIVES. At the end of the lecture, the student should be able to : Describe the shape of heart regarding : apex, base, sternocostal and diaphragmatic surfaces.

1.1k views • 27 slides

Auscultation of the heart

Auscultation of the heart. Auscultatory content. Heart rate Cardiac rhythm Cardiac sound extra cardiac sound Cardiac murmur Pericardial friction sound. Auscultatory valve. Mitral valve area (Apical ~) Pulmonary ~ Aortic ~ The second aortic ~ Tricuspid ~.

565 views • 11 slides

Functions of the Heart. Chapter 17. The Heart.

325 views • 23 slides

THE HEART OF STOICHIOMETRY

THE HEART OF STOICHIOMETRY. A BALANCED EQUATION. Proportional Relationships. Stoichiometry mass relationships between substances in a chemical reaction based on the mole ratio Mole Ratio indicated by coefficients in a balanced equation. 2 Mg + O 2  2 MgO. Ratio of eggs to cookies.

441 views • 22 slides

Physiology of the Heart

Physiology of the Heart. Review. The heart is a four-chambered muscular pump The body has two circulations; Pulmonary to the lungs and systemic to the entire body The atria receive blood from both circulations The ventricles send blood through the two circulations

1.15k views • 71 slides

Endocrine functions of the Kidneys, Heart and Pineal Gland

Endocrine functions of the Kidneys, Heart and Pineal Gland. The kidneys produce 3 hormones. 1,25 DHC Renin Erythropoietin. The heart produces ANP although also produced by other tissues. Acts to increase excretion of Na by the kidneys. The pineal gland secretes melatonin. Renin.

1.23k views • 17 slides

From the heart of Westchester To the heart of the world!

From the heart of Westchester To the heart of the world!. Who We Are. Storefront learning and community services / resource center Located in central business district of Dobbs Ferry, NY 0.3 miles from St. Cabrini Nursing Home

316 views • 21 slides

What are the functions of the heart?

What are the functions of the heart?. Functions of the Heart. Did you know? At rest, 2 ounces of blood is circulated with each heart beat. It’s a PUMP. What do pumps do? How does this relate to heart function?. Heart Facts. Adult heart is about 5 inches long and 3.5 inches wide

516 views • 25 slides

Functions of the Heart. Functions of the Heart. Generate blood Pressure Routing Blood Ensuring one way blood flow Regulating blood supply. The Heart. Located in the Thorax Part of the Mediastinum ( heart, trachea and esophagus) Size of a Fist

814 views • 48 slides

Functions of the heart 1. Pump 2. Transportation

Functions of the heart 1. Pump 2. Transportation. Did you know? At rest, 2 ounces of blood is circulated with each heart beat. Systemic Circulation & Cardiopulmonary Circulation.

466 views • 31 slides

Parts of the Heart

Parts of the Heart. Can you label the parts of the heart?. Right Ventricle. Pulmonary Vein. Inferior Vena Cava. Aorta. Left Atrium. Pulmonary Artery. Superior Vena Cava. Right Atrium. Left Ventricle. Superior Vena Cava. Aorta. Pulmonary Artery. Pulmonary Vein. Right Atrium.

228 views • 5 slides

Testing The Heart: Modes Of Investigating Heart

Testing the Heart - Modes of investigating Heart: ECG (Electrocardiography) and TMT; Chest X Ray, Echocardiography, Coronary Angiography, CT Scan, MRI Scan, Nuclear Scanning etc.

106 views • 8 slides

“Heart Smarts” Anatomy of the Heart

“Heart Smarts” Anatomy of the Heart. Pumps your Blood. John Peters, EMT-LP Hereford High School. Identify the 4 chambers, the 2 sides and 4 valves of the heart Define the medical terms associated with the heart Discuss how the blood flows through the heart.

228 views • 16 slides

Matters of the Heart

Matters of the Heart. Life Issues and the Gospel. Matters of the Heart . Abortion. Crisis Pregnancy. Assisted Suicide. Post-abortion Syndrome. Euthanasia. Matters of the Heart . Abortion. Crisis Pregnancy. Hot-Button. Assisted Suicide. Post-abortion Syndrome. Political.

310 views • 29 slides

An unprecedented Paralympic Ceremony

A magnificent groundbreaking ceremony at the heart of the city.

In 2024, Paris and France will host their first-ever Paralympic Summer Games. Paris 2024 is thinking big and reinventing the Opening Ceremony by taking it outside the confines of a traditional stadium. On 28 August 2024 at 20:00 local, Place de la Concorde and the Champs-Elysées will be the stage for this groundbreaking celebration in the heart of Paris .

This innovative project will be led by Thomas Jolly, Artistic Director for the Ceremonies:

“While the Paris 2024 Paralympic Games Opening Ceremony will be the first of its kind, its monumental and popular concept is, for me, first and foremost a magnificent source of inspiration. From the Champs-Elysées to Place de la Concorde, I look forward to creating this spectacle that will transform the heart of Paris, with performances that have never been seen before. A spectacle that will showcase the Paralympic athletes and the values that they embody. A spectacle that will unite spectators and television audiences worldwide around the unique spirit of the Paralympic Games.”

Watch the presentation video

A UNIQUE MOMENT FOR ATHLETES AND SPECTATORS

The ceremony will open with a popular parade on the iconic Champs-Elysées, involving up to 184 delegations from around the world. Spectators will be able to enjoy this unforgettable and celebratory moment, which will be open to everyone, alongside 6,000 athletes and officials. For ticket holders, the official parade will then take place on Place de la Concorde, in addition to the protocol and artistic sequences. The celebration of the opening of the Paralympic Games promises to be an exceptional event that will live long in the memories of all the spectators!

Working closely with the International Paralympic Committee (IPC), the French Paralympic and Sports Committee (CPSF), and the relevant authorities, Paris 2024 will ensure that universal accessibility is incorporated into all aspects of the ceremony so that athletes, participants and spectators can enjoy an experience that is free from any barriers.

Place de la Concorde is an iconic Parisian square situated between the Champs-Elysées and the Tuileries Gardens—just a short distance from the Assemblée Nationale and the Grand Palais. The largest square in Paris, it links several iconic buildings and monuments that illustrate the history of France. Created in the Enlightenment period, Place de la Concorde represents the philosophical, literary and cultural legacy that we have inherited from this philosophical movement which resonates with the Paralympic values. Place de la Concorde and the Champs-Elysées, the world’s most beautiful avenue, will be transformed into an outstanding stage to showcase the Paralympic movement in a breathtaking setting.

To ensure that the spotlight is firmly on the achievements of the Paralympic athletes, the values that they embody and the emotions that they inspire in us, Paris 2024 wanted to offer them a groundbreaking showcase by organising the first Paralympic Games Opening Ceremony outside the confines of a stadium. Looking beyond this exceptional setting offered for the leading athletes and spectators from around the world, this ceremony at the heart of the city is a strong symbol illustrating our ambition to capitalise on our country hosting its first-ever Paralympic Games to position the issue of inclusion for people with disabilities at the heart of our society.

The Games have an unrivalled transformational power. By choosing, for the first time, to organise the Opening Ceremony of the Paralympic Games at the heart of the city, on Place de la Concorde, this square which symbolises more than any other the unity of our nation, we are offering opportunities for everyone to see these athletes whose performances both command admiration and are truly inspirational. Enabling us, all together, to capitalise on this unique opportunity to change the way disabilities are viewed.

The city of love will get each Paralympian’s heart beating. What an incredible moment for our athletes, who will be part of a historic Opening Ceremony, on the world’s most famous avenue, surrounded by all the charm of Paris. The Paris 2024 Games will be an exceptional showcase to celebrate Paralympic sport in the eyes of the whole world.

KICKING OFF AN UNFORGETTABLE EVENT

The Opening Ceremony will mark the start of innovative Games that will leave lasting memories thanks to the achievements of exceptional athletes. Each Paralympic sport will have a prestigious space for expression, with events held at iconic sites that are representative of France’s heritage.

INCLUSION AT THE HEART OF THE GAMES AND THEIR OPENING CEREMONY

Through these Games and their ambitious Opening Ceremony at the heart of the city, Paris 2024 wants to leave a lasting and necessary legacy by changing the way disabilities are viewed and, looking beyond the Games, helping to build a more inclusive society and public space:

Pride, impatience, determination: these are the feelings inspired in us when we discovered the concept for this Opening Ceremony. I am really looking forward to being there and sharing these intense emotions with thousands of spectators.

Installation and dismantling schedule

March: Installation begins on the east side of the square (already occupied by the Rugby Village and not reopened to traffic since).

March - 1 June : Progressive extension of the site to the whole of Place de la Concorde

• 17 May: Closure of the east-west axis
• 1 June: Complete closure
• In the north-south direction, rue Royale is closed to general traffic, except for local services, from place de la Madeleine and from rue du Faubourg-Saint-Honoré to place de la Concorde.
• In the south-north direction, from the rue de Rivoli already restricted to general traffic, traffic will remain open on the rue Royale towards Madeleine. Local services will continue to be authorised in an east-west direction towards avenue Gabriel.
• In the west-east direction, on avenue des Champs-Elysées, traffic between avenue Winston Churchill and place de la Concorde is closed.
• The Concorde bridge is accessible from the Cours la Reine in a north-south direction and remains accessible for local traffic in a south-north direction.
• Diversions for bicycle traffic will be put in place (consultable on the paris.fr city venue).
• 1 June - 25 September: Closure of the La Concorde underground public car park

From 29 August-October: Gradual release of the right-of-way on Place de la Concorde

• 29 August: Dismantling begins the day after the Ceremony
• 1 September: Liberation of metro exits 1 and 8 and the Pont de la Concorde
• 9 September: Traffic reopens to allow North-South crossing
• 30 September: Liberation of the west of the square
• 30 October: Complete liberation of the Place

Île-de-France Mobilités and RATP will be gradually modifying bus services in the vicinity of the venues as soon as they are installed, in order to guarantee continuity of the public transport service as far as possible and maintain services throughout Paris. The lines concerned will be diverted, operated in two sections or limited depending on the events planned in the public space (opening ceremony, road races).

Metro services will operate normally throughout the Games. Only the Tuileries, Concorde and Champs-Elysées Clémenceau stations will be closed due to their location at or near a competition venue.

All this information is available to passengers on the Île-de-France Mobilités and RATP venues and applications.

Anticipating the Games

Discover the Ministry of Transport's interactive map to help you plan your journeys on the road and on public transport.

Find out more about the different security perimeters and special situations on the City of Paris venue.

Find all the maps and information on the different security perimeters during the Games on the Préfecture de police venue.

WORLDWIDE PARTNERS