"Which of the following is true about the larynx? a. It connects to the esophagus. b. It extends from the posterior nares to the soft palate. c. It contains openings for the eustachian tubes. d. It prevents food and liquids from entering the trachea."

Option D.

Explanation:

Larynx is an organ located at the neck. It is also called voice box. It is use for breathing,producing sounds and protect the trachea from food passage. There is a cartilage that lies the top of the larynx called epiglottis. During swallowing, the larynx elevates and epiglottis falls on the opening of the larynx thereby preventing food from entering the trachea.

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