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When you breathe, the airway (respiratory) system supplies oxygen to your blood. Then your blood takes oxygen to all parts of the body.
The nose, mouth, throat (pharynx and larynx), and hollow spaces in the cheeks and around the eyes (sinuses) make up the upper respiratory tract. The windpipe, breathing tubes (bronchial tubes and bronchioles), and structures inside the lungs make up the lower respiratory tract.
Current as ofJune 9, 2019
Author: Healthwise StaffSusan C. Kim, MD - PediatricsAdam Husney, MD - Family MedicineJohn Pope, MD, MPH - Pediatrics
Current as of:
June 9, 2019
Susan C. Kim, MD - Pediatrics & Adam Husney, MD - Family Medicine & John Pope, MD, MPH - Pediatrics
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