A boiler is a closed vessel in which water or other fluid is heated. The fluid does not necessarily boil. (In North America, the term furnace is normally used if the purpose is not to boil the fluid.)
What are the major jobs of the digestive system? the main jobs of the digestive system system is to break down food so it can be absorbed into the blood stream and large intestine, to nourish the cells to provide energy , anâ¦d to get rid of the leftover food that the body cannot use. 4 people found this useful.
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.