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.
Stomach Function in Digestive System. Stomach carries out the physical and chemical digestion of food. When the muscles contract and relax periodically, it results in the physical digestion of the food. The other stomach function is the chemical breakdown of meal. The enzymes secreted by glands in the walls of stomach help in the chemical breakdown of dietary substances. However, the stomach is unable to digest all the classes of foods.