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Airways inside the lungs

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Illustration of the 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.

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Last Updated: May 8, 2008
Medical Review:
Caroline S. Rhoads, MD - Internal Medicine

Ken Y. Yoneda, MD - Pulmonology


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