Respiratory systemThe upper respiratory tract (upper airway) consists of the nose,
mouth, sinuses, pharynx (upper section of the throat), and voice box (larynx).
The lower respiratory tract consists of the windpipe (trachea), bronchial
tubes, and lungs. The bronchial tubes carry air into the lungs and branch into
smaller and smaller bronchioles. These end in alveoli (air sacs). The main function of the respiratory system is to supply the blood
with oxygen so the blood can deliver oxygen to all parts of the body.
The respiratory system does this through breathing. ByHealthwise Staff
Primary Medical ReviewerE. Gregory Thompson, MD - Internal Medicine
Adam Husney, MD - Family Medicine
Specialist Medical ReviewerRobert L. Cowie, MB, FCP(SA), MD, MSc, MFOM - Pulmonology Current as ofMarch 25, 2017 Current as of:
March 25, 2017 Author:
Healthwise Staff Medical Review:
E. Gregory Thompson, MD - Internal Medicine & Adam Husney, MD - Family Medicine & Robert L. Cowie, MB, FCP(SA), MD, MSc, MFOM - Pulmonology |
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