Biology: The Unity and Diversity of Life (14th Edition)

Published by Brooks/Cole Publishing Co.
ISBN 10: 1305073959
ISBN 13: 978-1-30507-395-1

Chapter 38 - Self-Quiz - Page 684: 2

Answer

b. bird

Work Step by Step

Air flows continually across the respiratory surface in a bird.There are air sacs in birds that help to maintain a continuous unidirectional flow of air through the lungs.
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