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Tworec · Answer 1 · 2021-04-03T09:36:47+0000

As the heart beats, it pumps blood through a system of blood vessels, called the circulatory system. The vessels are elastic, muscular tubes that carry blood to every part of the body.

Martega · Answer 2 · 2021-04-05T09:41:43+0000

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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