RIZY77
RIZY77
digestive system
The digestive system consist of the organs that make up the alimantery canal, or digestive tract,form the mouth to the anus. The digestive tract is about 30 feet long.The main function of the digestive system is to break down food to a form that can be used by the bodys cells.
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Uploaded on May 26, 2009
Taken on May 25, 2009
digestive system
The digestive system consist of the organs that make up the alimantery canal, or digestive tract,form the mouth to the anus. The digestive tract is about 30 feet long.The main function of the digestive system is to break down food to a form that can be used by the bodys cells.
1,146
views
0
faves
0
comments
Uploaded on May 26, 2009
Taken on May 25, 2009