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Respiratory system

Respiratory system

Overview

Air is breathed in through the nasal passageways, travels through the trachea and bronchi to the lungs.

Review Date 8/5/2022

Updated by: Frank D. Brodkey, MD, FCCM, Associate Professor, Section of Pulmonary and Critical Care Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.