Question

explain our pump the heart​

Answer 1

Answer:

The heart is a muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system. The heart is important because it pumps blood around your body, delivering oxygen and nutrients to your cells and removing waste products.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.

Explanation:

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Answer 2

Answer:

With each heartbeat, the pump on the right side receives blood from the body and pumps it into the lungs to pick up oxygen. The pump on the left side receives this oxygen-rich blood from the lungs and pumps it throughout the body. ... This blood enters the top chamber of the right heart, called the right atrium.