Image Result For What Is A Nasal Passage
The nasal passages function as a filter and air conditioner to protect the lower airways. Beyond the nasal valve, the nasal passages are lined mostly by membranes more like the lining of the lungs, called respiratory epithelium, which is thin and rich in blood vessels..Nasal passage A channel for airflow through the nose. The walls of the nasal passages are coated with respiratory mucous membranes, which contain innumerable tiny hair like cells that move waves of mucus toward the throat..
