Textbook Question
Describe the functional relationships between volume changes and gas flow into and out of the lungs.
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Describe the functional relationships between volume changes and gas flow into and out of the lungs.
When the inspiratory muscles contract:
a. The size of the thoracic cavity increases in diameter
b. The size of the thoracic cavity increases in length
c. The volume of the thoracic cavity decreases
d. The size of the thoracic cavity increases in both length and diameter