Campbell Biology (11th Edition)

Published by Pearson
ISBN 10: 0-13409-341-0
ISBN 13: 978-0-13409-341-3

Chapter 50 - Test Your Understanding - Level 1 - Knowledge/Comprehension - Page 1136: 2



Work Step by Step

The middle ear has membranes on either end, narrowing environmental sound vibrations from the outer ear down and translating them to the fluid of the inner ear. In other words, these membranes help turn waves in the air to waves in the fluid within the ear.
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