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 works with all of the systems in your body. To be more specific it works with the urinary, muscular, and the nervous system really work with the digestive â¦ system. Another is the circulatory system, it helps get the harvested nutrients to the other parts of your body. + 48 others found this useful.