From letters a to e which is correctly described?
a) nasopharynx: usually receives only air, equalize pressure in inner ear
b) oropharynx: receives food and air, contains palatine and lingual tonsils
c) laryngopharynx: receives only food, lined with ciliated pseudostratified columnar epithelium
d) a and b are correct
e) a, b and c are correct

The answer is B: Oropharynx.

Explanation:

The most posterior part of the mouth is known as an oropharynx, it corresponds anatomically to the throat; It extends from the soft palate to the hyoid bone, it also includes the back of the tongue. It is also the place where food, liquids and saliva travel when swallowed.

a less-active, mature cell in areolar connective tissue would be a:

a. fibroblast

b. fibrocyte

c. chondroblast

d. chondrocyte