Your nose is part of your respiratory system that filters breasted-in air and assists with your sense of smell. Learn more about nose anatomy and functions.

The filtering system supporting your heart The most visible function of nose hair involves trapping airborne particles before they enter your respiratory system.

”The true purpose of the nose,” said Mickey Rooney in the 1943 film ”The Human Comedy,” ”is to smell what`s in the air.” Sure, he pointed out, it`s also used for… ...

While scientists work to unravel the basic biology of the nose, some patients are finding positive effects from smell training.