Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 33, Circulatory and Respiratory Systems - 33.3 - The Respiratory System - 33.3 Assessment - Page 969: 1a

Answer

The respiratory system performs the function of gas exchange (inhaling oxygen and exhaling CO2).

Work Step by Step

As above
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