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21%

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12y ago
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1w ago

About 21% of the air you breathe in is oxygen, which is used by your body to function normally. The rest is made up of mostly nitrogen and trace amounts of other gases.

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Q: What percentage of the air you breathe into your lungs is actually used by your body to function normally?
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Related questions

About what percentage of the air you breathe into your lungs is actually used by your body to function normally?

The air you take in with every breath contains about 21% oxygen, but your body uses only about 5% of that oxygen. From the book: First Aid- responding to emergencies- American Red Cross


Why oxygen is important to your lives?

Oxygen is what you breathe in, and what your body needs to function correctly (and what you need to survive actually)


What percentage of gases do you breathe in?

What percentage of gases do we breath in


What normally stimulates a person to breathe?

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When you breathe normally what happens?

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What is the percentage of nitrogen in the air you breathe?

About 78%.


What percentage of the air you breathe oxygen?

about 21%


What percentage of gas is in the air you breathe out?

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What is the function of scales?

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What percentage of nitrogen do you breath in ml?

You breathe in about 78 percent nitrogen. The amount that you breathe in varies.


Breathe-in is to oxygen as breathe-out is to?

Carbon Dioxide. Actually you breathe in 78% Nitrogen so... Breathe in is to all sorts of gases.


What are the lungs function in an adult animal?

The function of an adult animals lungs is to breathe!