Question

Describe the function of the heart.
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Answer 1

Answer:

The heart pumps blood.The heart is at the center of your circulatory system, which is a network of blood vessels that delivers blood to every part of your body. Blood carries oxygen and other important nutrients that all body organs need to stay healthy and to work properly.

Answer 2

The heart is an organ that pumps blood throughout the body. The human circulatory system is responsible for the transport of materials inside the human body. The organs of the circulatory system are the heart, arteries, veins and capillaries. It comprises four chambers:

Atria (upper chambers)
Ventricles (lower chambers)
Layers of heart

The wall of the heart is made up of three layers:

Epicardium- This is a protective layer made of connective tissues.
Myocardium- This layer forms the heart muscles.
Endocardium- This is the innermost layer and protects the valves and the heart.