<P> Cilia and mucus along the inside wall of the nasal cavity traps and removes dust and pathogens from the air as it flows through the nasal cavity . The cilia move the mucus down the nasal cavity to the pharynx , where it can be swallowed . </P>
the function of mucus in the nasal cavities is to
traps and removes dust and pathogens from the air as it flows through the nasal cavity