Rachel7224 Rachel7224

17-11-2016
Biology

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why does carbon dioxide go to ur lungs? is this safe?

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Nihilego Nihilego

17-11-2016

You breathe in oxygen, you exhale carbon dioxide.
It is safe but you shouldn't breathe in carbon dioxide all the time.

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Flashcrash8111 Flashcrash8111

17-11-2016

The lungs respiratory system allow oxygen in the air to be taken into the body to get rid of carbon dioxide in the air breathed out.

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