the child has allergies or is allergic to the cat
"She's a specialist in Genetics" - Hope that helped!
Hope you get a good grade.
~Public
Answer:
The cilia is one of the things that act defensively in the respiratory system.
Explanation:
It propels a mucus-like liquid that covers the airway which traps pathogens (potentially infectious microorganisms) and other particles, preventing them from reaching the lungs.
Yes they do have a cell wall