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 - 48.2 - Enhancing Diffusion Maximizes Respiratory Gas Exchange - 48.2 Recap - Learning Outcomes - Page 1031: 2

Answer

Like fish, birds utilize a unidirectional system of ventilation to efficiently process oxygen. Birds also have air sacs that direct the flow of air within their body towards the lungs.

Work Step by Step

Like fish, birds utilize a unidirectional system of ventilation to efficiently process oxygen. Birds also have air sacs that direct the flow of air within their body towards the lungs.
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