What anatomical structure functions to maintain an open airway, prevent over-expansion of the respiratory system, and allow food passage?

What anatomical structure functions to maintain an open airway, prevent over-expansion of the respiratory system, and allow food passage?

What anatomical structure functions to maintain an open airway, prevent over-expansion of the respiratory system, and allow food passage?




a. trachea

b. larynx

c. pharynx

d. diaphragm



Answer: A


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