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Every cell in the human body, except the cornea, receives blood from the heart. In humans, the heart is about the size of a closed fist and is located in the middle compartment of the chest, between the lung s.Įvery day, our heart does amazing things. Pumped blood transports oxygen and nutrients to the body while transporting metabolic waste like carbon dioxide to the lungs. This organ circul ates blood through the circulatory system's blood vessels.
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