Answers

2014-06-26T19:53:25+08:00
A model heart is not pumping the real heart was pumping...the model heart is not real..the real heart is pumping and its real.
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2014-06-26T19:53:26+08:00
The heart pump model pumps the water while the human heart pumps theĀ  blood to deliverĀ the needed oxygen and nutrients of the cells.
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