vviiiibbeess vviiiibbeess

16-05-2017
Biology

contestada

what organ system work together to bring oxygen to the bodys cells

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Аноним Аноним

16-05-2017

the answer you are looking for is the heart and lungs.the heart pumps blood which we also kinda need in order to breath and the lungs produce oxegen trew the body which allow us to breath.

hope i helped

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Аноним Аноним

16-05-2017

Respiratory system, or is my answer too simple...

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