Question

which canal has prevent to earby entering dust particles
answer in five min
...

Answer 1

Explanation:                                                                                                            In hair and mucus present in our nose prevents the dust particles from entering the lungs. there are tiny hairs presents in the nasal cavity along with mucus which prevents dust particles to enter the lungs and clean air goes inside the lungs.                                                                                                                                                                      

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