Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1-25918-813-2
ISBN 13: 978-1-25918-813-8

Chapter 48 - The Respiratory System - Review Questions - Apply: 5

Answer

A.

Work Step by Step

From Fick's Law (p.1004), this gives less of a driving force for diffusion that leads to gas exchange. B. and C. are simply untrue, and D. is irrelevant since a human mountain climber sets his own body temperature at which oxygen is used metabolically--elevation and external temperature are irrelevant.
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