Multiple Choice
Which of the following most accurately describes muscle activity during normal inspiration?
A) Both the internal intercostal muscles and the diaphragm relax.
B) Both the external intercostal muscles and the diaphragm contract.
C) The internal intercostal muscles contract as the diaphragm relaxes.
D) Both the external intercostal muscles and the diaphragm relax.
Correct Answer:
Verified
Correct Answer:
Verified
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