What happens during normal swallowing?
Normal swallowing involves the following:
? The larynx elevates.
? The epiglottis folds down to protect the airway from food and liquid.
? The food and liquid pass over the back of the tongue, through the valleculae, into the pyriform sinuses, and into the esophagus.
? The valleculae are like "tiny valleys" formed by the membrane between the tongue and epiglottis.
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