Digestive system

The digestive system is responsible for breaking down food, absorbing nutrients from the food, and ridding the body of waste products from the food. The digestive system consists of the:

• Upper digestive tract, which includes the mouth, esophagus, stomach, and first part of the small intestine.
• Lower digestive tract, which includes the last part of the small intestine, the large intestine, and the rectum.
• Liver, pancreas, and gallbladder.