The mouth is the origination of the digestive tract. The teeth and salivary glands aid in breaking down food for digestion. The tonsils aid against infections.
Review Date 2/6/2020
Updated by: Michael Kapner, DDS, Family and Cosmetic Dentistry, Norwalk, CT. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.