Question

What will happen if ciliated epithelium is absent?

Answer 1

If this epithelium is absent there would be deposition of dust and other particles in the respiratory tract.

Answer 2

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Ciliated epithelium contains special cells called goblet cells. The purpose of these cells is to create mucous. This mucous surrounds particles that shouldn't be in our body, and the cilia move them out. Without these cells and tissue, a lot of harmful bacteria would remain in our lungs, making us really sick.