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Respiratory system overview

Respiratory system overview

Overview

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

Review Date 2/17/2017

Updated by: Jatin M. Vyas, MD, PhD, Assistant Professor in Medicine, Harvard Medical School; Assistant in Medicine, Division of Infectious Disease, Department of Medicine, Massachusetts General Hospital, Boston, MA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.