Figure 23-2 Mechanics of Ventilation

question 57

Multiple Choice

Figure 23-2 Mechanics of Ventilation

Use Figure 23-2 to answer the following questions:
-What produces the movement labeled "2"?)

• A) rectus abdominis contracts
• B) rectus abdominis relaxes
• C) diaphragm contracts
• D) diaphragm relaxes
• E) diaphragm relaxes and rectus abdominis contracts

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