The process of chemical digestion in the breaking down of food with enzymes so that they can become molecules such as nutrients, salts and water , so that way they are easily absorbed and utilized. The process of absorption involves moving such molecules through the GI epithelium and into the blood or lipids. Ingested food is initially broken down mechanically by your mouth into pieces that are easier to swallow, and then broken down again into even smaller pieces so that in can continue its journey through the stomach and into the small intestine. These food particles are primarily made or major nutrients and minor nutrients. The major nutrients such as carbohydrates, protein and lipids must be broken down further enzymatically in order to