Digestion 0.5% hydrochloric acid (HCl), which lowers the pH to the desired pH of 1-3. Acid release is also triggered by acetylcholine and histamine. The intestinal phase has two parts, the excitatory and the inhibitory. Partially digested food fills the duodenum. This triggers intestinal gastrin to be released. Enterogastric reflex inhibits vagal nuclei, activating sympathetic fibers causing the pyloric sphincter to tighten to prevent more food from entering, and inhibits local reflexes. Protein digestion occurs in the stomach and duodenum in which 3 main enzymes, pepsin secreted by the stomach and trypsin and chymotrypsin secreted by the pancreas, break down food
Shut Down (Prison Break) of the season "The story made sense, the action sequences were quite good, and the last scene was very satisfying." Shut Down (Prison Break) "Shut Down" is the 60th episode of the American television series "Prison Break" and was broadcast on September 8, 2008 in the United States on the Fox Network. Jodi Lyn O'Keefe does not appear in this episode. After learning that they have five more cards to track down, Michael Scofield confronts Don Self about the news. Self swears that he knows nothing about the five other cards, and orders him to track the next one by