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2014-10-13T18:47:46+08:00

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The heart pumps the blood that transports the inhaled oxygen to every cell of the body. The carbon dioxide is given off in the process and is carried by the blood to the lungs which is released through exhalation....

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--Rayne
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2014-10-13T18:48:11+08:00

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The heart contains a pulmonary artery which connects to the lungs for the RBC's to get enough supply of oxygen to keep going
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