Multiple Choice
Refer to the figure. 
The black arrows in part A show the direction of movement of the thoracic cavity and diaphragm.The process shown in part A is represented by the portion of the graph labeled _______, which corresponds to _______.
A) B; exhalation
B) B; contraction of internal intercostal muscles
C) C; inhalation
D) C; contraction of external intercostal muscles
E) C; exhalation
Correct Answer:
Verified
Correct Answer:
Verified
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