Answers

2015-06-26T02:09:58+08:00
Heart function as a pumps because heart is the one who pumps the blood throughout the body.
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2015-06-26T08:26:39+08:00
>the heart is a muscular organ that acts like a pump to continuosly send blood throughout our body.
>It function by pumping the blood to all the part of our body
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