Respiratory System

Respiratory system

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.

ByHealthwise Staff
Primary Medical Reviewer E. Gregory Thompson, MD - Internal Medicine
Specialist Medical Reviewer W. David Colby IV, MSc, MD, FRCPC - Infectious Disease

Current as ofMay 23, 2016

Current as of: May 23, 2016

Author: Healthwise Staff

Medical Review: E. Gregory Thompson, MD - Internal Medicine & W. David Colby IV, MSc, MD, FRCPC - Infectious Disease