Question

what is the role of mucus in nostrils ??? answer in short so that easily to understand..​

Answer 1

Answer:

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.

Answer 2

The air we breathe in consists dust, germs and pollen so mucus keep it in nose and don't enter to the lungs. mucus surround this particles in the air like dust and germs and the tiny hairs in inside the nose called cilia.