Question

why should we breathe only through our nose?????

plz answer this question

Answer 1

We can also breather through our mouth.... But the air containing oxygen with different dust particles... If we will breathe through our mouth the air along dust particle will move in our body and harms us... Wheres as if we will take aur from our nose the nostrils and mucus helps to clean the air and make it fine
..... Thats why we inhale more aur through nose than mouth...

Answer 2

we can also breathe by our mouth but their are lots of dust in the air that can harm us and enter in our body but in our nose there are many small hairs which has jelly like substance that traps the dust and keep them out . So we breathe only through our nose..