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.
Medical Review:Renée M. Crichlow, MD - Family Medicine
Kathleen Romito, MD - Family Medicine
Ken Y. Yoneda, MD - Pulmonology
Kathleen Romito, MD - Family Medicine
Ken Y. Yoneda, MD - Pulmonology
Last Updated: 06/16/2006
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