Question: what is the function of the hairs that line the nasal cavity quizlet?
Answer: in inhaled air. Cilia inside the nasal cavity beat backwards, sweeping the mucous sheet into the throat where it can be swallowed. What is the function of cilia? They beat upward, carrying mucus, dust, and other trapped potential contaminants into the pharynx where it can be swallowed and destroyed by stomach acid.