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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