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16-02-2018
Biology

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How to breathe unicellular organisms and exchange their gases through

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Zeyadhegazy Zeyadhegazy

16-02-2018

I. They they don't need to have a gas exchange system so they just breathe or respire through diffusion.

diffuse in the oxygen and diffuse out the carbon dioxide.
this happen if they were respiring aerobically, with the presence of oxygen.

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