Question

The lining of the nasal chamber has mucus which prevents pollen and dust particles from entering into the lungs.

• A. True
• B. False

Answer 1

The correct option is A

True

Mucus is the first line of defense against harmful things that may come in with the air that enters the nose and then into the lungs. It traps bacteria, germs, and debris, and prevents them from entering your lungs.