Multiple Choice
During inhalation,air flows into the lungs because:
A) air pressure is greater outside the body than in the lungs and naturally flows inside once the chest has expanded
B) the strong chest muscles are sucking in air
C) air moves passively in and out of the lungs through time
D) the surfactant in the lungs "draws" in air because of its adhesive properties
Correct Answer:
Verified
Correct Answer:
Verified
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