You may be surprised to learn that you can't breathe through your nose all the time. In fact, most people only breathe through their mouths. Read on to find out more about why this is the case and what you can do about it. What is the anatomy of the nose? The nose is composed of two main parts: the external nose and the internal nose. The external nose is the part of the … [Read more...] about Nose Breathing Problems? Why Can’t I Breathe Through My Nose?