Answers

2014-06-17T21:24:49+08:00
When you inhale, oxygen takes place in the lungs and when you exhale carbon dioxide would be realesed
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wow thanks for that wonderful answer thanks a lot friend :)
2014-06-17T22:17:30+08:00
It takes lungs an oxygen when you inhale and imissive carbon dioxide when you exhale .
blood deliver oxygen throughout the body and oxygens deliver nutrients through the whole body , hope i helped you :)
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WOW thanks too for that wonderful answer thanks a lot :) friend