62. What is the purpose of the mucus in your nose? A.Protects lungs B.Clear air passage C.Protects nose D.All of the above
Answer: Option A Solution: Mucus has a pretty important job — it keeps the lining of your nose moist and warms the air you breathe. Mucus also protects the lungs. When you breathe in air through your nose, it contains lots of tiny things, like dust, dirt, germs, and pollen.
