Biology for IGCSE & O level - Human Nutrition (Section 6 - No. 11)
What is the role of the epiglottis during swallowing?
To release saliva.
To prevent food from entering the trachea.
To break down food.
To propel the food into the oesophagus.
Explanation
The epiglottis closes over the trachea during swallowing to prevent food from entering the lungs.
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