Answer
c. alveoli
Work Step by Step
Alveoli are small sacs of air at the end of the smallest bronchioles and are the sites where oxygen and carbon dioxide are exchanged.
Biology: The Unity and Diversity of Life (14th Edition)
by Starr, Cecie; Taggart, Ralph; Evers, Christine; Starr, Lisa
Published by
Brooks/Cole Publishing Co.
ISBN 10:
1305073959
ISBN 13:
978-1-30507-395-1
Chapter 38 - Self-Quiz - Page 684: 4
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