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
The Stomach The Stomach The Stomach is a British short horror film that was written and directed by Ben Steiner. The film had its world premiere on 21 September 2014 at Fantastic Fest, where it won "Best Horror Short". A full-length version of "The Stomach" is currently in planning. "Frank" (Simon Meacock) is a spirit medium whose talents have proven to be more of a curse than a gift. Whenever a spirit is present his stomach will swell and pulsate, a process that enables his customers to talk to their dead loved ones but at the cost of his own physical well