Q:

What system does the heart belong to?

A:

The heart is part of the cardiovascular system and works like a pump to move blood throughout the body. The cardiovascular system also consists of the veins, arteries and capillaries that route blood throughout the body, according to WebMD.

The job of the cardiovascular system is to deliver nutrients and oxygen to every cell in the body. It is also responsible for removing wastes, such as carbon dioxide, from the body. The arteries move oxygen-dense blood from the heart to the body, while the veins move oxygen-poor blood back into the heart. According to the Texas Heart Institute, if all the vessels in the cardiovascular system were stretched out with their ends touching, they would circle the planet more than two times.


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