Which statement(s) about the functions of the paranasal sinuses ...

[Starlight]

Which statement(s) about the functions of the paranasal sinuses is/are not true?
 A) They provide an extensive area of mucous epithelium.
  B) They make skull bones lighter.
  C) The mucus they secrete enters the oral cavities.
  D) They support cilia that move the mucus.
  E) They are located in the sphenoid, ethmoid, frontal, palatine and maxillae.

Question 2

The nasal complex consists of all of the following bones except the
 A) zygomatic.
  B) ethmoid.
  C) sphenoid.
  D) frontal.
  E) maxillary.

[katheyjon]

Answer to Question 1

C

Answer to Question 2

A

[Starlight]

Thank you!

[katheyjon]

Always glad to help...