Question

what is working of heart​

Answer 1

HERE IS YOUR ANSWER-

The human heart is an organ that pumps blood throughout the body via the circulatory system, supplying oxygen and nutrients to the tissues and removing carbon dioxide and other wastes.

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Answer 2

Answer:

Hy what were u doing ......am feeling bad ......

Explanation:

The myocardium does the main pumping work: It relaxes to fill with blood and then squeezes (contracts) to pump the blood. ... For this reason, your heart pumps oxygen-rich blood to its own muscle through your coronary arteries. Keep blood flowing efficiently.

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