identify the part that prevents the passage of food into the oesophagus
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Answer:
it is also called traffic officer I. e, epiglottis
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Answer: The trachea has an opening called the glottis, which is covered by a cartilaginous flap called the epiglottis. When swallowing, the epiglottis closes the glottis and food passes into the esophagus and not the trachea.
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