Answers

2015-06-23T16:40:08+08:00
Heart pump model is artificial
Human heart is true.
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2015-06-23T16:48:29+08:00
The human heart is a pump. in fact, it is double pump. a mechanical pumps takes in a subtance, usually water,in one end and pushes it out a different end for the purpose of moving water out of one area into another.
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