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Most of us have probably realized that after eating corn, it shows up in our stool. The corn in our stool can appear only hours after we eat it. Rest assured, corn in the stool is
http://wiki.answers.com/Q/Why_can_humans_not_diges...
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There are many types of food that have what is called non soluble fiber. This is great for us and passes through our bowels without being completely broken down. The easiest to see
http://answers.ask.com/Health/Diseases/why_does_co...
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The reason corn does not digest is because it is produced from cellulose. This is a substance that plants makes. Our bodies can not digest cellulose.
http://answers.ask.com/Health/Diseases/why_doesn't...
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The digestive system is very long, about 27 feet (9 meters) in length. Because of this, digestion takes anywhere between 24 and 72 hours.
http://answers.ask.com/Health/Diseases/how_long_is...
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