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
When I Start To (Break It All Down) an instinctive feeling sometimes. In this instance, "When I Start To (Break It All Down)" took over from "Save Me" because we thought the song had gone in the direction that sounded really good."" The song originally had the demo title "Tender", where it was loosely based on the Elvis Presley song "Love Me Tender". In the short film on the album, Clarke stated the track got ""mashed up into what it is now"", noting ""to me now it sounds like Tears for Fears."" Mute Records released a live video clip for the song as its official music video. This