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what are functions of heart ?

The functions of heart are :

1.Pumping of blood

2.Transport of food to cells

3.Transport of oxygen to cells

4.Transport of carbon dioxide to lungs.


 

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Heart is a muscular organ, lies in the rib cage on the left side of the chest in our body. It beats continuously and pumps oxygen-rich blood to all parts of the body and carbon dioxide-rich blood to the lungs. It has 4 chamber- two upper chamber are known as auricles whereas two lower chambers are known as ventricles. The right side of the heart i.e right atrium & right ventricle supplies carbon dioxide rich blood to lungs from heart whereas left side of heart i.e left atrium & left ventricle receive oxygen rich blood from lungs & supply it to the arteries which supply it to the rest of the body.

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Heart is a muscular organ, lies in the rib cage on the left side of the chest in our body. It beats continuously and pumps oxygen-rich blood to all parts of the body and carbon dioxide-rich blood to the lungs. It has 4 chamber- two upper chamber are known as auricles whereas two lower chambers are known as ventricles. The right side of the heart i.e right atrium & right ventricle supplies carbon dioxide rich blood to lungs from heart whereas left side of heart i.e left atrium & left ventricle receive oxygen rich blood from lungs & supply it to the arteries which supply it to the rest of the body

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The Functions of the Heart

Introductory Note: Knowledge of the structure and function of the heart and other aspects of the vascular system, is part of training in many therapies, such as Massage (in its many forms, "Indian Head Massage", "Swedish Massage", "Acupressure Massage" etc.), Aromatherapy, Acupuncture, Shiatsu, and others. This page is intended to include the detail required for most Basic / First Level Courses in these therapies, and some ITEC Diplomas.

The physical form and structure of the heart is described and illustrated on the separate page: The Structure of the Heart

The following diagrams are simple summaries of the main parts of the heart, the functions of which are described below.

Simple Diagram of the Structure of the Heart


What are the Functions of the Heart ?

The main functions of the heart can be summarised as follows:

Right-Hand Side of the Heart
The right-hand side of the heart receives de-oxygenated blood from the body tissues (from the upper- and lower-body via the Superior Vena Cava and the Inferior Vena Cava, respectively) into the right atrium. This de-oxygenated blood passes through the tricuspid valve into the right ventricle. This blood is then pumped under higher pressure from the right ventricle to the lungs via the pulmonary artery

 

Left-Hand Side of the Heart
The left-hand side of the heart receives oxygenated blood from the lungs (via the pulmonary veins) into the left atrium. This oxygenated blood then passes through the bicuspid valve into the left ventricle. It is then pumped to the aorta under greater pressure (as explained below). This higher pressure ensures that the oxygenated blood leaving the heart via the aorta is effectively delivered to other parts of the body via the vascular system of bllod vessels (incl. arteries, arterioles, and capillaries).

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 The chief function of the heart is to pump blood through your body. Circulation of blood through our body is most essential to make sure that oxygen reaches our whole body
 

 


The heart pumps blood around in our bodies. Blood carries oxygen and nutrients to all the cells in our bodies.
Blood used by the body (blue) is brought back to the heart and lungs by the veins of the body. Once the blood has gathered more oxygen from the lungs (red), it is pumped back out to the body through the arteries.

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The heart is a muscular organ that pumps blood to all the tissues in your body through a network of blood vessels. The right side of the heart pumps blood through the lungs where it picks up oxygen. The left side of the heart receives the blood containing oxygen and pumps the blood to the rest of your body

AnatomyFunction

Left and right atria

Chambers that receive blood returning from your body through your veins

Left and right ventricles

Chambers where blood is pumped to your body through your arteries

Mitral valve

The mitral valve controls the flow of oxygen-rich blood from the left atrium to the left ventricle

Tricuspid valveThe tricuspid valve controls the flow of oxygen-poor blood from the right atrium to the right ventricle

Aortic valve

The aortic valve controls flow of oxygen-rich blood from the left ventricle to the body

Pulmonary valveThe pulmonary valve controls flow of oxygen-poor blood from the right ventricle to the lungs
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