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08-01-2018
Biology

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Select the answer below that best describes how the lungs are kept free of germs and dirt from the air

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08-01-2018

The Alveolar macrophages, Cilia and the mucus layer

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madisonbeachmeb madisonbeachmeb

13-01-2020

Answer:

The Alveolar macrophages, Cilia and the mucus layer

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