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When you inhale normal air, the air that you breathe in is about 70% nitrogen, 20% oxygen, and 1% "other" gasses. Your lungs exchange some of the oxygen in the air for carbon dioxide and water vapor, but your exhaled breath generally still contains about 16% oxygen.

THat's why "mouth to mouth" CPR and artificial respiration works.

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Q: What happens to the oxygen when you exhale?
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Do we exhale oxygen rich air from our lungs?

We exhale more oxygen than we use. Air contains approximately 20% Oxygen - when we breathe in - we absorb about 4% of the oxygen - and exhale the rest.


Do pot plants inhale oxygen at night?

No. Plants inhale carbon-dioxide. They exhale oxygen. This process happens through the day and night.


When lungs inhale oxygen what does it exhale as waste?

when lungs inhale oxygen what doesit exhale as waste


Can you reuse oxygen?

Yes we breathe in oxygen and exhale carbon dioxide. Plants take in carbon dioxide and exhale oxygen.


What happens to oxygen after it has been used by your body?

The oxygen goes into your lungs, then into your blood stream. Then carbon dioxide goes into your lungs and thats when you exhale. Oxygen changes to carbondioxide in your body.


What gas do you take when you exhale?

You inhale oxygen, and you exhale carbon dioxide.


When the lungs inhale oxygen what doesit exhale as waste?

when lungs inhale oxygen what does it exhale as waste


Do arctic wolves inhale and exhale oxygen?

Like all animals, they inhale oxygen and exhale carbon dioxide.


Oxygen goes in when you breath or when you exhale?

You inhale oxygen and exhale carbon dioxide, and plants produce oxygen using carbon dioxide, called photosynthesis.


What gases do you enhale and exhale?

we inhale oxygen and exhale carbon- di- oxide


Do we exhale to remove oxygen from the lungs?

No - we exhale to remove air that has a high content of carbon dioxide. Excess oxygen is not a problem when breathing - oxygen deficiency IS a problem.


What does the human exhale and inhale?

Humans inhale oxygen and exhale carbon di oxide.