Multiple Choice
Inspiratory events occur because
A) the air pressure in the alveoli is greater than that of the atmosphere.
B) the air pressure in the alveoli is less than that of the atmosphere.
C) the volume of the thoracic cavity increases.
D) both (a) and (c) above.
E) both (b) and (c) above
Correct Answer:

Verified
Correct Answer:
Verified
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