Question

what is heart?.....

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Answer 1

Answer:

The heart is a muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system.

Explanation:

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Answer 2

The heart is a pump, usually beating about 60 to 100 times per minute. With each heartbeat, the heart sends blood throughout our bodies, carrying oxygen to every cell. After delivering the oxygen, the blood returns to the heart. The heart then sends the blood to the lungs to pick up more oxygen......

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