SkyQueenLayla SkyQueenLayla

26-02-2017
Chemistry

contestada

How are the lungs kept free of germs and dirt from the air?

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amelia18 amelia18

27-02-2017

Mucus found in the bronchial tubes collects dirt and germs that get into your lungs . Tiny hairs called cilia work to sweep out the debris collected to keep your lungs clean.

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