Figure 21- 1 the Upper Airways

question 152

Multiple Choice

Figure 21- 1 The Upper Airways
Use Figure 21- 1 to answer the following questions:
-What is the function of the structure labeled "8"?

• A) prevents food from entering the larynx
• B) causes air to swirl within the respiratory passageway
• C) acts like a supplementary air pump
• D) forces air into the lungs
• E) prevents food from entering the pharynx

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