Digestion of food

Digestion is the procedure through which complex constituents of food are broken down into simple molecules by a number of enzymes in mouth, stomach, and small intestine. So the simple molecules formed are absorbed into blood stream and reach several organs.

Raw food may be taken like this or after cooking. This food is squashed in the mouth and swallowed while it under goes a long passage in the body known as alimentary canal. In the meantime this passage it gets mixed along with several enzymes in different parts of the alimentary canal. The proteins, carbohydrates, and fats are transformed into simpler forms that are then carried by blood to different parts of the body for use.