Human Biology, 14 Edition

Published by McGraw-Hill Education
ISBN 10: 1-25924-574-8
ISBN 13: 978-1-25924-574-9

Chapter 10 - Assess - Page 215: 4



Work Step by Step

Gas exchange occurs in the alveoli, which are sacs within the lungs. The gases in the alveoli are exchanged with the gases in the capillaries that surround the alveoli. Oxygen in the alveoli enter the blood while the carbon dioxide from the capillaries enter the alveoli.
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