During swallowing, the pharynx changes from airway to a food channel channel.During mastication, the food bolus aggregates in the pharynx before swallow commencement.
The structures in the oral pit, pharynx and larynx serve various capacities in breathing, talking, rumination and swallowing,
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The nasal cavity, The pharynx is the piece of the throat behind the mouth and larynx the cylinders going down to the lungs and stomach .
Nourishment and fluid pass in reverse into the throat on their way to the stomach. Air pass out through the larynx and into the trachea.