Digestive System

The 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.

ByHealthwise Staff
Primary Medical Reviewer E. Gregory Thompson, MD - Internal Medicine
Brian O'Brien, MD, FRCPC - Internal Medicine
Adam Husney, MD - Family Medicine
Arvydas D. Vanagunas, MD, FACP, FACG - Gastroenterology

Current as ofMarch 28, 2018

Is it an emergency?

If you or someone in your care has chest pains, difficulty breathing, or severe bleeding, it could be a life-threatening emergency. Call 9-1-1 or the local emergency number immediately.
If you are concerned about a possible poisoning or exposure to a toxic substance, call Poison Control now at 1-800-567-8911.

Thanks to our partners and endorsers: