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 (album) in Jiangsu, China, and revealed for the first time the teaser for their new lead single "Break Down". The lead single of the album, "Break Down", is described as an upbeat pop dance song, mixed with elements of dubstep and synth sounds. The song is produced and composed by Australian team Twice As Nice (consisting of Nick Audino & Lewis Hughes), Martin Mulholland and Nermin Harambasic from Dsign Music, while the lyrics are written by Zhou Weijie. It is a song about a man who can no longer hide his love for a woman, expressing his feelings to her. Nick