Answers

2015-06-17T18:50:12+08:00
Heart is the life support strusture and its also known as pumping staion it pumps blood 
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station un
thank you for healping me..
your welcome
2015-06-20T21:46:01+08:00
Heart is a pumping blood because it is pumping because of the blood when it is start to pump it will separate the blood vessel
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