Gastric acid gastric acid, verifying that acid played a crucial role in digestion. Gastric acid Gastric acid, gastric juice or stomach acid, is a digestive fluid formed in the stomach and is composed of hydrochloric acid (HCl), potassium chloride (KCl) and sodium chloride (NaCl). The acid plays a key role in digestion of proteins, by activating digestive enzymes, and making ingested proteins unravel so that digestive enzymes break down the long chains of amino acids. Gastric acid is produced by cells in the lining of the stomach, which are coupled in feedback systems to increase acid production when needed. Other cells in
Shut Down (Prison Break) 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 the end of the day, or they will return to prison. Michael has no choice but to find the second