How one should corectly breathe?

How one should corectly breathe (in every day life)? 1. Inhale and exhale only through the nostrils? Or inhale through the nostrils and exhale through the mouth?Thank you for the outstanding work!
Wish you and the world, LIGHT, LOVE, WISDOM, WILL and DIVINE POWER! peace and harmony

Answer

Sat Nam,

It is better to breath through the nose to protect the throat from catching bacteria, viruses, or colds, we will also avoid sore throat

http://s3cr3ty0stg2.wpengine.com/breathing/how-the-nostrils-work.html

Blessings