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sinuses #17

BIO 180

describe the sinus of the skull? air filled chamber that makes a bone weigh less and the mucous membrane lining them produces mucus that moistens and cleans the air in and adjacent to the sinus.
frontal sinus? mucous secretions of the frontal sinuses within this bone help flush the surfaces of the nasal cavities
sphenoid sinus? help clean the surfaces of the nasal surfaces
ethmoid sinus? ethmoidal air cells within this bone flush the surfaces of the nasal cavities
maxillary sinus? produce mucus that flushes the inferior surfaces of the nasal cavities
what is necessary for the mucous membrane? they are essential for respiratory
Created by: alfinia