Line the nose and respiratory tract.
Function:
(1) warm and wet air and purified from plankton before entering into the lungs.
(2) the expulsion of suspended solids mucus - how? By perpetual motion of the cilia in the direction of the outside.
Be increasing the amount of mucus during inflammation of the nose or lungs because secretions class activity mucous to get rid of foreign objects.
Labels
disease and immunity