Question

what will happen if hair and mucus are not present in the nose ?​

Answer 1

If hairs and mucus are not present in nose then the dust particles present in air will directly go inside the body which will prove harmful to us.

Explanation:

The mucus and hairs present in nose , prevent us from many harmful dust particles present in the air , the mucus and hairs will trap the dust particles in it and prevent us from many harmful disease casusing dust particles.

• In other words - The mucus and hairs filters the air .

Answer 2

A They stop the dust from going into the body.

C They stop the germs from going into the body.

The hair and mucus that are present inside the nose filter the air that goes into the lungs. That is, these stop the germs and dust from entering into our body.