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 main function of the digestive system is to get the food and water you drink through your body. 21 people found this useful. Edit. Share to: 1  The Five Major Parts of the Brain At its most basic, the brain controls the body.igesting food is to break down the complex molecules of the food to simpler ones so the bo â¦ dy can use it in the way it wants to. The function of each organ in the digestive system is to help convert food into simpler molecules so it can absorbed by your body and can then be used by the cells.