3 years ago

How does the respiratory system work as defense system?

Biology

1 answer:

tia_tia [17]3 years ago

4 0

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.

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