Friday, May 14, 2010
Heart
The heart is nothing more than a pump, composed of muscles which pumps blood throughout the body. It beats around 72 times per minute of our lives. The heart pumps the blood, which carries all the vital materials to help our bodies function and removes the waste products that are not need.(Source: http://www.worldinvisible.com/apologet/humbody/heart.htm)
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5:49 PM