Question

in which part of respiratory system is the air made moist and free of bacteria and dust​

Answer 1

Answer:

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Explanation:

Cells in your trachea and bronchial tubesmake mucus that keeps air passagesmoist and helps keep things like dust,bacteria and viruses, and allergy-causing things out of your lungs. Mucus can bring up things that reach deeper into your lungs.

Answer 2

Answer:

ye raha apka answer.

Explanation:

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