What happens to most of the air that you breathe into your lungs?!


Question: What happens to most of the air that you breathe into your lungs!?
a) It is converted into glucose!.

b) It is used by the body!.

c)It is exhaled!.

d)It is converted into water!.

anyone help!?!?!Www@Answer-Health@Com


Answers:
The answer is B!. The blood carries the oxygen to other parts of the body and it used that way!.Www@Answer-Health@Com

c) it is exhaled as most of the air is made of of nitrogen, which is not used by your body!. only 21% of the air is actually oxygen which can be used by your body!.Www@Answer-Health@Com

C is correct!.
There is about 21% O2 in the air and exhalation comprises about 15% O2, therefore only 6% is used by the body!.Www@Answer-Health@Com

Since this looks like a question for a take-home test, I won't give you the answer, but I'll give you the not answers!. ;-)

It's not A, B, or D!. :-DWww@Answer-Health@Com





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