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Which is the best description of alveoli? a. branching passageways c. large airways b. thin-walled air sacs d. muscles in the chest cavity
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Asked 4/9/2016 3:48:22 PM
Updated 4/9/2016 4:08:23 PM
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Edited by Janet17 [4/9/2016 4:05:47 PM]
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User: Which is the best description of alveoli? a. branching passageways c. large airways b. thin-walled air sacs d. muscles in the chest cavity

Weegy: "thin-walled air sacs" is the best description of alveoli.
jeifunk|Points 68735|

User: Mucus and alveoli prevent dust and bacteria from entering the respiratory system.

Question
Asked 4/9/2016 3:48:22 PM
Updated 4/9/2016 4:08:23 PM
1 Answer/Comment
This answer has been confirmed as correct and helpful.
Edited by Janet17 [4/9/2016 4:05:47 PM]
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Mucus and alveoli prevent dust and bacteria from entering the respiratory system. FALSE.
Mucus and CILIA prevent dust and bacteria from entering the respiratory system.
Added 4/9/2016 4:08:23 PM
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