The major role of sinus cavities is warming the air that flows into the respiratory system because the air passes over the cilia,which have an increased internal temperature.

A) Both the statement and the reason are correct and related.
B) Both the statement and the reason are correct but are NOT related.
C) The statement is correct,but the reason is NOT correct.
D) The statement is NOT correct,but the reason is correct.
E) NEITHER the statement NOR the reason is correct.