Answers

2015-06-20T20:36:44+08:00

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oxygen comes in and carbon-dioxide comes out... maybe that can help u.. :)
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Oh you think so? Well Thank you boss :*
oh thanks can u put this answer to be a best answer because this answer bitter that jiannaclemnte28
2015-06-20T20:49:36+08:00

This Is a Certified Answer

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
By hypothesis, this may be helpful:
When you say 'takes place', then you mean an action within a reaction. So better if the answer is like this:

•When you inhale and exhale, what takes place is the exchange of gases that occur mainly in the alveoli. That process ic commonly called the respiration.
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hey , you copy that answer ! bits!