Unformatted text preview: the release of pancreatic enzymes. Large Intestine • The function of the large intestine is feces production and water absorption. • It takes much longer for material to move through the large intestine than the small intestine. • In the colon, chyme is converted to feces. • Mass movements occur three to four times a day. • Defecation is the elimination of feces. Reflex activity moves feces through the internal anal sphincter. Voluntary activity regulates movement through the external anal sphincter. Digestion, Absorption, and Transport • Digestion is the chemical breakdown of organic molecules into their component parts. After the molecules are digested, some diffuse through the intestinal wall; others must be transported across the intestinal wall....
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- Fall '10
- Anthropology, Large intestine