They are broken down into smaller molecules and are made into ATP (cellular respiration), or into storage fat for the body's reserve energy. They are broken down in a process called hydrolysis.
During carbohydrate digestion the bonds between glucose molecules are broken by salivary and pancreatic amylase. The digestion of certain fats begins in the mouth, where short-chain lipids break down into diglycerides because of lingual lipase.
