Human Biology, 14 Edition

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

Chapter 10 - Section 10.4 - Mechanism of Breathing - Check Your Progress - Page 204: 2

Answer

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Work Step by Step

Tidal volume- the volume of air inspired or expired when the body is relaxed; usually, it is about 500 milliliters Inspiratory reserve volume- the volume of air that can be forcefully inspired beyond the tidal volume; usually it is about 2900 milliliters; the result of chest expansion and lowering the diaphragm to its maximum limit Respiratory reserve volume- the volume of air that can be forcefully expired beyond the tidal volume; usually, it is about 1400 milliliters; the result of abdominal and thoracic muscle contractions Residual volume- the volume of air that remains in the respiratory system after the expiration; a not well-functioning lung will result in an increased residual volume thus decreasing the vital capacity of the lungs
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