객관식
During expiration, which action contributes to the movement of air out of the lungs during eupnea, or quiet breathing?
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Ventilation
객관식
Why does air rush into the lungs during an inhale or inspiration?
A
Increase in atmospheric pressure.
B
Diaphragm moves upward.
C
Decrease in air pressure in the lungs.
D
Contraction of abdominal muscles.
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