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The lungs, which reside in the thorax, or chest cavity, act as a site for oxygen and carbon dioxide exchange for the blood.
Review Date 4/1/2025
Updated by: John Meilahn, MD, General Surgeon, Wyndmoor, PA. 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.