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.
The digestive system is responsible for the ingestion of food, itâs breakdown into its constituent nutrients and their absorption into the blood stream, and the elimination of wastes from that process.The liver produces bile and is associated with the metabolism of nutrients together with a number of other functions.The main function of the pancreas is the production of digestive enzymes and special compounds called hormones.he liver produces bile and is associated with the metabolism of nutrients together with a number of other functions. The main function of the pancreas is the production of digestive enzymes and special compounds called hormones.