The heart pumps blood to all parts of the body. The blood supplies oxygen and nutrients to the entire body and removes carbon dioxide and waste elements. As blood travels through the body, oxygen is used up and the blood becomes deoxygenated.
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The heart pumps blood to all parts of the body. The blood supplies oxygen and nutrients to the entire body and removes carbon dioxide and waste elements. As blood travels through the body, oxygen is used up and the blood becomes deoxygenated.
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