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 small intestine.
Lower digestive tract, which includes the large intestine and the rectum.
Liver, pancreas, and gallbladder.

Current as of: September 8, 2021

Author: Healthwise Staff
Medical Review:
E. Gregory Thompson MD - Internal Medicine
Adam Husney MD - Family Medicine

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Digestive System

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