Which of the following are correct for pharynx?
I. It is a junction of buccal cavity, nasal chamber, Eustachian tube and trachea.
II. It is the aprerture, which leads into the oesophaus.
III. It is the structure, which allows air to enter into trachea.
A. I and II
B. Only II
C. All of the above
D. None of the above
