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 Here vehicle to break down, and she does not want to break down and cry ("I've made it this far without crying a single tear"). A music video was released for the song, directed by Steven Goldmann. Kelefa Sanneh of "The New York Times" described the song favorably, calling it "one of the year's best country ballads" and "an aching but resolute lament". The following musicians performed on this track: "Break Down Here" spent a total of 32 weeks on the country charts, peaking at 18 in September 2004. It is Roberts' only Top 40 hit on that chart. The song