The air flows through the bronchioles, which keep getting smaller until the air reaches the ends of the branches.
Physiology of Breathing
By Lori Alma, About.com Guide
Updated: September 22, 2008
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
Prev
- How Your Lungs Work
- The Breathing Muscles
- Inflation of the Lungs
- Taking a Breath
- Entering the Lungs
- Entering the Bronchial Tree
- Branching Out into Bronchioles
- Filling Up Air Pockets
- Gas Exhange
- Blowing it All Out
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