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Overview
The chest cavity includes the heart and lungs. The abdominal cavity includes the liver, the stomach, and the small and large intestines. The two regions are separated by the diaphragm, the large dome-shaped muscle.
Review Date 4/14/2021
Updated by: Charles I. Schwartz, MD, FAAP, Clinical Assistant Professor of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, General Pediatrician at PennCare for Kids, Phoenixville, PA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.