A. increase in the volume of the thoracic cavity
B. upward movement of the ribs
C. relaxation of the diaphragm
D. contraction of the intercostal muscles
Correct Answer:
Option C – relaxation of the diaphragm
A. increase in the volume of the thoracic cavity
B. upward movement of the ribs
C. relaxation of the diaphragm
D. contraction of the intercostal muscles
Correct Answer:
Option C – relaxation of the diaphragm
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