The inner layer of nasal cavity is coated with epithelial cells that secrete mucus. What is the importance of the secretion?

It helps prevent allergens and infections from invading the nasal cavity and spreading to other body structures, for example the lungs. The mucus secreted by and which lines the mucosa provides a physical barrier against invasion by pathogens (harmful microorganisms)

Explanation:

Change it to sound like you!!

doctors i believe if i'm wrong sorry

answer; i believe that the correct answer is ; males are hemizygous for the x chromosome;