Figure 21- 2 Mechanics of Ventilation
Use Figure 21- 2 to answer the following questions:
-Which muscles) contracts) to cause the movement indicated by the arrows labeled "6" and "7"?
A) rectus abdominis
B) internal intercostals
C) diaphragm
D) external intercostals
E) both A and B

Question

Figure 21- 2 Mechanics of Ventilation
Use Figure 21- 2 to answer the following questions:
-Which muscles) contracts) to cause the movement indicated by the arrows labeled "6" and "7"?
A) rectus abdominis 
B) internal intercostals 
C) diaphragm 
D) external intercostals 
E) both A and B

Quizplus · Accepted Answer

The Answer of  Figure 21- 2 Mechanics of Ventilation
Use Figure 21- 2 to answer the following questions:
-Which muscles) contracts) to cause the movement indicated by the arrows labeled "6" and "7"?
A) rectus abdominis 
B) internal intercostals 
C) diaphragm 
D) external intercostals 
E) both A and B