Unformatted text preview: occurs. The small intestine is separated into three parts: the duodenum, the jejunum, and the ileum. Bile secretions from the liver and gallbladder aid in digesting and absorbing fat from food while the bicarbonate secretions from the pancreas and digestive enzymes help with the digestive process. Any material that is not absorbed by the small intestine then enters into the large intestine through a sphincter, which acts as a barrier to keep food from re-entering the small intestine. The colon and the rectum both occupy the large intestine. Further absorption of water and certain vitamins and minerals takes place in the colon, while the materials that are not absorbed expel from the body as waste through the anus, the outer opening of the digestive tract....
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- Spring '10
- Nutrition, Digestive System, Large intestine, six hours