Question

Explain the functioning of HEART

Answer 1

Explanation:

Describe the Function of Heart

The heart is an organ that pumps blood throughout the body. It comprises four chambers:

Atria (upper chambers)

Ventricles (lower chambers)

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 theheart.

Answer 2

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