Answer
Lungs are used for respiration by aquatic mammals and reptiles. These aquatic animals must come to the surface for respiration and hold their breath under water as lungs cannot exchange gases under water.
Work Step by Step
As above
Biology 2010 Student Edition
by Miller, Kenneth R.; Levine, Joseph S.
Published by
Prentice Hall
ISBN 10:
9780133669510
ISBN 13:
978-0-13366-951-0
Chapter 27, Animal Systems I - Assessment - 27.2 Respiration - Understand Key Concepts/Think Critically - Page 802: 14
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