OverviewWithin the respiratory system, air is first inhaled through the nose or mouth into the pharynx. From the pharynx, air is drawn through the larynx and trachea to make its way to the lungs.
Review Date 8/14/2015
Updated by: Linda J. Vorvick, MD, Medical Director and Director of Didactic Curriculum, MEDEX Northwest Division of Physician Assistant Studies, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.