Biology, asked by yukta487, 9 months ago

How do nassal passage,trachea and brochi keep the respiratory tract healthy

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Answered by diyanshdobhal05

Answer: Mucus produced in the trachea and bronchial tubes to keep air passages moist and aid in intercepting dust, bacteria and other substances; The sweeping motion of cilia (small hairs in the trachea) to keep air passages clean. If substances such as cigarette smoke are inhaled, the cilia stop functioning properly.

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