A grasp of psychology is also important in designing a good game; you want to know how players will feel at every point in the game. And it is vitally important that you can explain rules clearly in plain English.
The stomach's main function is digestion. It does this by: The stomach uses pepsin (enzyme) and peptidase (another enzyme) to break down proteins in your food. The acid released by the stomach doesn't break down food it only provides a good environment for the enzymes to work in.
The stomach is a pouch-like organ that lies in the upper left part of the abdominal cavity, just under the diaphragm and next to the liver. Functions. The stomach has five functions: digestion of food; secretion of gastric juices as well as mucus which helps to coat its lining, preventing erosion by gastric juices; secretion of gastric hormones