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.
What is the function of mucus in the stomach? Quick Answer. Stomach mucus protects the gastrointestinal cells from the damage that gastric juices can cause. Gastric juices are highly acidic and, without this mucus, the acid can destroy the cells and tissues in the stomach.