The stomach and intestines are the main organs of digestion, converting and breaking down food into substances which are either absorbed by or excreted from the body.
Review Date 2/27/2016
Updated by: Debra G. Wechter, MD, FACS, general surgery practice specializing in breast cancer, Virginia Mason Medical Center, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.