Question

What are cilia and why are they important in the respiratory system?

Answer 1

Cilia protects the nasal passageways and other parts of the respiratory tract. It filters out dust and other particles that enter the nose through the breathed air. Cilia propels a liquid layer of mucus that covers the airways. The mucus layer traps pathogens (potentially infectious microorganisms) and other particles, preventing them from reaching the lungs.

Answer 2

sorry I know that cilia Are the locomotory structure of paramecium I don't know according to the respiratory system but for paramecium, it creates a current in gullet and helps the microbes to engulf the food