Question

Give reasons must breathe in through the nose.this answer is urgent​

Answer 1

Answer:

because nose contain several hairs which stops germs dirt and other harmful things getting passed into nassal cavity. but in mouth the dirt germs goes direct into nasal cavity without any stoppage. which can result into illness or breathing problems...

Answer 2

Answer:

The reasons why we must always breathe through our nose is because of the following reasons:

•The nostrils are smaller than mouth, air exhalled through the nose creates a back flow of oxygen into the lungs.

•As we breathe slower through our nose, the lungs get more time to extract oxygen from the air.

I hope it helps ya!:)