External nares and Vestibule
   Nasal cavity
   Olfactory area
   Internal nares
   Pharyngeal tonsil (adenoid) and auditory tube opening
   Frontal paranasal sinus
   Sphenoid paranasal sinus
   Nasopharynx
   Oropharynx
   Laryngopharynx
   Lingual and palatine tonsils and fauces
   Buccal or oral cavity and tongue
   Hard palate, soft palate and uvula
   Hyoid bone and epiglottis
   L
arynx
   Trachea
   E
sophagus