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Air from the outside is: 1. warmed, dried and cleaned by the nose and mouth 2. cooled, dried and cleaned by the nose and mouth 3. cooled, moistened and cleaned by the nose and mouth 4. warmed, moistened
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Air from the outside is: 1. warmed, dried and cleaned by the nose and mouth

2. cooled, dried and cleaned by the nose and mouth
3. cooled, moistened and cleaned by the nose and mouth
4. warmed, moistened and cleaned by the nose and mouth

User Steve Renyolds
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1 Answer

3 votes
number 4 would be your answer. hope this helped!!! 
User Amine Hajyoussef
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