Multiple Choice
Figure 23-2 Mechanics of Ventilation
Use Figure 23-2 to answer the following questions:
-Which muscle(s) produce(s) the movement labeled "1"?
A) rectus abdominis
B) internal intercostals
C) external intercostals
D) diaphragm
E) both rectus abdominis and external intercostals
Correct Answer:

Verified
Correct Answer:
Verified
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