Answers

2016-06-27T19:29:35+08:00
To breathe Air in and Out
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I gonna give you a answer ex: this is oxygen go in comes out.He go in to bronchi into the lungs and the carbon dioxide will come out.
2016-06-27T19:31:10+08:00
The function of the nose is to filter the air that we are breathing and it is the main part of the circulatory system.
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