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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 10/17/2024
Updated by: Mary J. Terrell, MD, IBCLC, Neonatologist, Cape Fear Valley Medical Center, Fayetteville, NC. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team. Editorial update 05/19/2025.