Question

Human heart and their function​

Answer 1

Explanation:

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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. "The tissues of the body need a constant supply of nutrition in order to be active,"

Answer 2

Answer:

heart has a fist like structure and it pumping the blood to reach at all parts of body.