Question

fill in the blank question
the structure with a core of elastic cartilage that functions to seal off the top of the larynx during swallowing is the
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Explanation:

The epiglottis is a flap - like structure made of elastic cartilage. Its main function is to prevent food and liquid from entering the larynx (and then the trachea) during swallowing by covering the top of the larynx.

Answer:

epiglottis