Digestive System

The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion. Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body.

The process of digestion has many stages.The digestive system is made up of the gastrointestinal tract—also called the GI tract or digestive tract—and the liver, pancreas, and gallbladder. … The hollow organs that make up the GI tract are the mouth, esophagus, stomach, small intestine, large intestine, and anus.