The cilia and mucus in the trachea sweep upward, moving the mucus toward the nose where it is sneezed out.

Question

True or False?

Answer 1

Well, sort of, Its always a sign of bad teaching when they are asking True or False questions as an assessment of student understanding, you have a 50% probability of getting it right or wrong, but in short, False, the cilia do beat to sweep mucus upward but theses tend to be spit out of the mouth, or swallowed and enter the HCl stomach to be denatured.