Answer
it stops it from collasping and to maintain the airways that goes through pressure changes when breathing.
Work Step by Step
it stops it from collasping and to maintain the airways that goes through pressure changes when breathing.
Human Anatomy & Physiology (9th Edition)
by Marieb, Elaine N.; Hoehn, Katja N.
Published by
Pearson
ISBN 10:
0321743261
ISBN 13:
978-0-32174-326-8
Chapter 22 - The Respiratory System - Review Questions - Page 847: 18a
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