What are the benefits of nasal breathing over mouth breathing?

Breathing through the nose has many benefits. First of all, these benefits appear in cold weather. The air, when it passes through the nasal cavity, thanks to the system of blood vessels, has time to warm up, and the air that a person inhales through the mouth directly enters the lungs. Also, the nasal cavity has mucous membranes and protective hair. They help to trap not only dust particles, but also various viruses. Therefore, it is better to breathe through the nose to reduce the chance of respiratory illness.