Boundaries of cavities

Question 1

Nasal Cavity

Answer 1

Medial-> bony septum
Lateral-> nasal conchae
floor -> hard and soft palatae
Roof -> ethmoid

Ant opening- nares
post opening - nasophrarynx via chance

Question 2

Oral cavity

Answer 2

Ant- mouth/teeth/lips
posterior:fauces,
superior-> hard palate, mylohoid muscle
Lateral: cheeks (buccal cavity)
ant- mouth to environment
post. Fauces to orophjarynx

Question 3

openings of larynx

Answer 3

which spaces each of the openings of the pharynx leads into.

Checking mode
The choanae are openings between the cavity (anteriorly) and the nasopharynx (posteriorly).

The fauces is an opening between the cavity (anteriorly) and the oropharynx (posteriorly).

The aditus, also known as the laryngeal inlet, is an opening between the larynx (anteriorly) and the laryngopharynx* (posteriorly).