water
yes it is a food substance that provide energy
Enzymes are used to break down food.
Food is anything you eat for sustenance. It is broken down in the stomach and intestines then used by the body as nutrition.
Properly cleaned and prepared intestines of many species are used as food, such as sausage casings or in soups. If the intestines were thoroughly cleaned and washed, and completely cooked, there is probably no danger.
Ethanol is a common volatile substance used in flavorings and food extracts.
saliva
digestive system. this includes the stomach and small and large intestines
small intestine
excrament
A food smoother
carbohydrate
A fish has intestines that are used to digest its food in a similar manner to the digestive process of other animals.