Red nose

The nose is the main external organ of a person during breathing. It can moisturize and purify the air that people inhale from the outside world and is the first defense barrier for many diseases. The occurrence of many diseases can also be reflected from the nose. The normal nasal color is nasal head bright, mountain root is bright, nose is bright and moist, and nasal mucosa is light and red. An abnormally red nose is also a pathological condition, heralding a potential illness.