We all know air is a mixture of gases....we inhale air in it's mixture form then how can we say we inhale only oxygen??
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we inhale air but we breathe oxygen that is our body only accepts O2 from the air v breathe
shyamsharma123:
hai
Sorry but I didn't get you
as it is the mixture of some bacteria and other gases but the bacterias are stopped by the nostrils present in the nose and the oygen is enhaled into our body in combined form..
it means that all though a mixture of gases enters our respiratory system, only Oxygen is taken into our body
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