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
Break Down (EP) Break Down (EP) Break Down is the debut Korean solo mini album of Kim Hyun-joong of South Korean boy band SS501. It was released on 7 June 2011 under KeyEast Entertainment. A Limited Edition was released on 23 June 2011, with a bonus DVD with music videos and behind-the-scene footages. The album was released in Taiwan by Warner Music Taiwan in two versions: Regular and Commemorate Editions. Kim's songs were produced by Steven Lee, who had composed SS501's hits "Love Like This" and "Love Ya". The title track "Break Down" is a high energy dance track featuring Double K. Another