When the diaphragm contracts, the volume of the thoracic cavity __ and air flows__ the lungs. A. decreases; into B. increases;

Question

When the diaphragm contracts, the volume of the thoracic cavity __  and air flows__ the lungs.
A. decreases; into
B. increases; into
C. remains the same; into
D. increases; out of
E. decreases; out of

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