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

User David Alber
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Answer:

The Alveolar macrophages, Cilia and the mucus layer

Step-by-step explanation:

User Rogelio Blanco
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The Alveolar macrophages, Cilia and the mucus layer
User Ravi Kabra
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