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 - 48.1 - Respiratory Gas Exchange Is Governed by Physical Factors - 48.1 Recap - Learning Outcomes - Page 1025: 3

Answer

The laws of partial pressures describe how rates of gas diffusion depend on the pressure that the gases are under. At lower altitudes, the pressure is greater and animals can take up oxygen much more efficiently than at higher altitudes, where the pressure is significantly lower.

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