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2014-11-20T19:07:26+08:00

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The function of the heart is to circulate the blood to all of your body, it purifies the deoxygenated blood to oxygenated blood. Without the heart, you will die.
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2014-11-20T19:13:08+08:00

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Made up of CARDIAC MUSCLES . It is about as big as your fist. It works like a pump by contracting and relaxing. It has two sides, the left and the right sides, that are completely seperated by a structure called the SEPTUM. The blood in the heart, therefore, does not mix because each side pumps blood seperately.
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