Which of the following part of trachea prevents food from entering the windpipe?

Which of the following part of trachea prevents food from entering the windpipe?

Q. Which of the following part of trachea prevents food from entering the windpipe?

A.            Alveoli

B.            Epiglottis

C.            Teeth

D.            Nose

Answer: Epiglottis

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