Question

Why should we not breathe air through our mouth? Tell in points
1:
2:
Like this​

Answer 1

Answer:

It is not proper to breathe through our mouth because most of the dust particles can enter our body along with the air we breathe in. But breathing through nose does have this because nose has hair present which traps the dust particles.

Answer 2

Answer:

we should not breathe air through our mouth because of the following:

(1) It warms the air as it passes over.

(2) It adds moisture to the air.

(3) Its mucous secretion entraps harmful particles.