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Respiratory system

Respiratory system


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

Review Date 3/13/2016

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, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.