Which one of the followings is not the function of nasal cavity?
A. helping filter out foreign particles
B. warming air
C. swallowing irritants
D. moistening air
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What is the second organ that air passes through in human body?
A. larynx
B. pharynx
C. tonsils
D. trachea
What are the three divisions of the pharynx?
A. nasopharynx
B. oropharynx
C. hypopharynx
D. all are right
What part of the pharynx serves as the common passageway for air and food?
A. oropharynx
B. laryngopharynx
C. pharynx
D. nasopharynx
The _____, a flap of cartilage acting like a lid over the larynx, lies over the entrance to the larynx.
A. uvula
B. epiglottis
C. tonsils
D. vocal cord