Answers

2015-09-13T15:51:18+05:30
The human heart is an organ that pumps blood throughout the body via the circulatory system, supplying oxygen and nutrients to the tissues and removing carbon dioxide and other wastes.
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2015-09-15T22:00:57+05:30
The heart is an organ which beats continuously to act as a pump for the transport of blood,which carries other substance with it.
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