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respiratory tract

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n.
The air passages from the nose to the pulmonary alveoli, including the pharynx, larynx, trachea, and bronchi.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

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Cultural definitions for respiratory tract

respiratory tract

The path that air follows as it is inhaled and directed into the lungs. The respiratory tract includes the nose and nasal passages, the throat and trachea, and the bronchial tubes.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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