Answers

2016-02-08T23:23:20+08:00

The responsibility of the left side of the heart --> it collects the blood from the lungs and pump it back into the body.
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2016-02-10T10:15:34+08:00

the left atrium receives blood form the lungs so it  is rich  in oxygen  its ventricle will then pump this blood to the different  parts of the body thru the aorta
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