The structures of the pharynx can be labeled as nasopharynx, oropharynx, and laryngopharynx.
The pharynx is an organ that is part of the respiratory system and digestive systems. This organ allows the passage of air and ingested food into the body, as it directs these elements to the regions of the body where they are needed.
In general, we can say that the function of the pharynx is to make the connection between the nose, mouth, larynx, and esophagus.
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