asked 74.8k views
5 votes
Select the answer below that best describes how the lungs are kept free of germs and dirt from the air

2 Answers

3 votes

Answer:

The Alveolar macrophages, Cilia and the mucus layer

Step-by-step explanation:

answered
User Rogelio Blanco
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8.5k points
5 votes
The Alveolar macrophages, Cilia and the mucus layer
answered
User Ravi Kabra
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8.5k points
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