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Unformatted text preview: in 2 to 6 hours depending on the food consumed. Once food is broken down in the stomach it then moves to the small intestine , the small intestine is responsible for the majority of digestion and absorption of nutrients. The small intestine is divided into three parts, the duodenum, jejunum, and ileum. The liver and gallbladder secrete bile which also helps with digestion and absorption of fat. After this process, materials which were not absorbed in the small intestine then continue on to the large intestine. They enter the large intestine through a sphincter; the sphincter keeps materials from reentering the small intestine. Contained in the large intestine are also the colon and rectum, any additional absorption of water, vitamins, and minerals occurs in the colon. Any materials not absorbed at this point are then excreted through the anus which is attached at the end of the colon. 2...
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- Spring '10
- Digestive System, Large intestine, human digestion