The purpose of the hairs lining the nasal cavity is primarily B to help trap dust, mold, and pollen before they can reach the inner portions of the respiratory system. These hairs, along with mucus, help filter and clean the air we breathe, protecting the lungs and other internal structures from harmful particles.
What is the purpose of hairs lining the nasal cavity
A to help move air move quickly to the body
B to help trap dust, mold and pollen before they can reach the inner portions
C To ensure air passes into the trachea
D To accommmodate masses of food moving through the esophag
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