The nursing instructor is teaching a pre-nursing pathophysiology class. the class is covering the respiratory system. the instru
ctor explains that the respiratory system is comprised of both the upper and lower respiratory system. the nose is part of the upper respiratory system. the instructor continues to explain that the nasal cavities have a vascular and ciliated mucous lining. what is the purpose of the vascular and ciliated mucous lining of the nasal cavities?
