Question

The............... and............... within the nasal passage prevents entry of dust particles into our respiratory system.​

Answer 1

Answer:

cilia in first blank

mucus in second blank.

Explanation:

hope it will help you.

Answer 2

Answer:

cilia and mucus

Explanation:

they both prevent dust from entering into our respiratory system. I didn't had anything to write to expand the answer so wrote this only...