Cilia
I think air is filtered in the bronchus
yes it can be filtered by an air filter
trees
The air in the windpipe is clean, moist and filtered
air is filtered, warmed, and moistened.
to remove dust
The air is not filtered like it is by the nosehairs.
Oh yes, dust can be filtered out of air. It is done all the time.
The dragon fish breaths in air from the water so keep the tank well filtered, or have air bubbles.
A cold air intake regulates the amount of cold air coming into a car and ensures the air is properly filtered.
A return air grille is where air returns to the furnace to be filtered and heated or cooled and re circulated through the air supply grilles.
Pet dander and loose fur can clog air filters, leading to less filtered air and decreased air quality.