Life: The Science of Biology 11th Edition

Published by W. H. Freeman
ISBN 10: 1-31901-016-4
ISBN 13: 978-1-31901-016-4

Chapter 48 - Gas Exchange - 48.3 - Humans Have Tidal Respiration - 48.3 Recap - Learning Outcomes - Page 1034: 2

Answer

Mucus acts as a cleaning device that traps airborne pollutants and potential pathogens before ejecting it from the nose or mouth. Surfactants work to decrease surface tension in the water in the lungs to reduce the work needed to inflate them.

Work Step by Step

Mucus acts as a cleaning device that traps airborne pollutants and potential pathogens before ejecting it from the nose or mouth. Surfactants work to decrease surface tension in the water in the lungs to reduce the work needed to inflate them.
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