The upper respiratory tract (upper airway) consists of the nose, mouth, sinuses, and throat.
The lower respiratory tract consists of the trachea, bronchial tubes, and the structures inside the lungs.
Current as of:
February 24, 2020
Author: Healthwise Staff Medical Review: E. Gregory Thompson MD - Internal Medicine Anne C. Poinier MD - Internal Medicine Adam Husney MD - Family Medicine W. David Colby IV MSc, MD, FRCPC - Infectious Disease
Medical Review:E. Gregory Thompson MD - Internal Medicine & Anne C. Poinier MD - Internal Medicine & Adam Husney MD - Family Medicine & W. David Colby IV MSc, MD, FRCPC - Infectious Disease
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