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Q. hello every body..... ...
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2 answers under Water 1 year, 11 months ago

A. my sir once told me that when we breathe we intake many gases but since all of the cells in the human body requires only oxygen from the blood to break down glucose for energy rest of the gases are... link
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Q. is it harmful to breathe 100% oxygen? why? ...
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0 answers under Water 1 year, 11 months ago
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