The nasopharynx is the upper part of the pharynx that connects to the nasal cavity.
The oropharynx is the middle part of the pharynx that connects to the oral cavity.
The hypopharynx is the lower part of the pharynx that connects to the esophagus.
The pharyngeal wall separates the pharynx from the surrounding structures.
The pharyngeal muscles help in the movement of food through the pharynx.