Throat

What is the pharynx? The pharynx is a 12 to 15 cm long muscular tube lined with mucous membrane. It is divided into three sections lying one below the other. From top to bottom are the nasopharynx, oral pharynx and laryngeal pharynx: The openings of the nasal cavity (choanas) and the two ear trumpets (tuba … Throat: Function, Anatomy, and Disorders