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Airways inside the lungs

Illustration copyright 2002 by Nucleus Communications, Inc. All rights reserved. http://www.nucleusinc.com

The lungs' airways (bronchial tubes) divide into smaller and smaller branches (bronchioles). The airways end in air sacs (alveoli) where oxygen moves into the blood.

Primary Medical Reviewer Renée M. Crichlow, MD
- Family Medicine
Primary Medical Reviewer Kathleen Romito, MD
- Family Medicine
Specialist Medical Reviewer Ken Y. Yoneda, MD
- Pulmonology
Last Updated June 16, 2006

WebMD Medical Reference from Healthwise

Last Updated: June 16, 2006
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