Question

④ How nose is useful in filtering arr?​

Answer 1

Answer:

Little hairs inside your nasal cavity help filter the air you breathe in, and block dirt and dust from getting into your lungs. When you breathe in through your mouth, or oral cavity, the air is moistened, but not filtered.

Answer 2

Answer:

it has hair on its inner lining and it has gland which release mucus. dirt present in the air we inhale get stuck in this mucus and thus it cannot enter our lungs.