Human Biology, 14 Edition

Published by McGraw-Hill Education
ISBN 10: 1-25924-574-8
ISBN 13: 978-1-25924-574-9

Chapter 4 - Assess - Page 91: 14

Answer

C. Mucous

Work Step by Step

Mucous membranes line various cavities in the body that are exposed to the external environment. One of the most important functions of mucous is to line the respiratory system and trap dust and debris before it reaches the lungs.
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