Answers

2014-06-20T09:00:46+08:00
 left atrium ,  right ventricle , right atrium, left ventricle
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2014-06-20T09:07:49+08:00
These are the major parts of the heart.
1.right atrium 
2.left atrium 
3.right ventricle 
4.left ventricle 
5.septum 
6.valves
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