0 Question: how much oxygan do we breath Keywords: breathe, oxygen Asked by amazing a bhatti to Ajay, Kate, Kuntal, Pip, Reka on 16 Nov 2016. This question was also asked by BOB.
Reka Nagy answered on 16 Nov 2016:
Since the air we breathe in is 20% oxygen, and the air we breathe out is 15% oxygen, we use about 5% of the oxygen that we breathe in.
Eddy the Jedi commented on 17 Nov 2016:
Very good guestion I wish I’d asked it!?
Log in to Reply
Comments
Eddy the Jedi commented on :
Very good guestion I wish I’d asked it!?