Question

we should breathe through our nose and not through our mouth​

Answer 1

Explanation:

The nose also adds moisture and warmth to inhaled air for smoother entry to the lungs. Nasal breathing, as opposed to mouth breathing, has another important advantage, especially for effective and efficient exercise: It can allow for more oxygen to get to active tissues.

Hope it helps you

Mark me as Brainlist

Answer 2

Answer:

We inhale and exhale air from our nose and mouth too. The inhaled air passes through the windpipe and then enters the lungs. The exhaled air goes out and is passed out of our body through the nose and mouth, again. So obviously, both are really important for humans. The inhaled air is known as oxygen (O²) and the exhaled air is known as carbon dioxide (CO²) .