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cannot be possble without oxygen the will die!

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13y ago
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AnswerBot

6mo ago

Actually, humans do breathe in oxygen (O2) to sustain cellular respiration, where oxygen is used to produce energy. The respiratory system takes in oxygen from the air and delivers it to the cells in the body.

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12y ago

They can. In fact, it is necessary to live.

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Q: Humans did not breathe in O2?
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Related questions

What do humans breathe out and plants breathe in?

They breathe in carbon dioxide and breathe out oxygen. That's how they help us. It's called photosynthesis, requiring the use of the sun and CO2. It produces sugar, energy, and O2.


What organism releases carbon dioxide into the air?

Humans do, and all animals! We breathe in O2 and breathe out CO2.


Do dinosaurs breath co2 or o2?

Dinosaurs are reptiles, so they breathe O2. Only plants breathe CO2.


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Can humans breathe oxygen and hydrogen combine?

Humans cannot breathe a combination of pure oxygen and hydrogen. Oxygen is necessary for respiration, but hydrogen is highly flammable and not suitable for breathing. Mixing the two gases is dangerous and can create a potential explosion hazard.


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The chemical formula for the oxygen we breathe is O2.


What do plants do when you and other humans breathe out?

when you breathe out, plants breathe in.


What gas do you breathe in that cells need?

oxygen(O2)


Is the O2 in the air you breathe an electron particle?

There are electron particles in O2 as well as in every thing in your body.


Do you breathe in or breathe out oxygen?

Humans breathe in oxygen and breathe out carbon dioxide. Trees "breathe" out oxygen.


What does a cow breathe?

The same air that we humans breathe in.


What kind of oxygen do humans get from breathing?

Humans breathe in molecular oxygen (O2), which is essential for cellular respiration and is used by the body to produce energy. Oxygen is transported by the bloodstream to all the cells in the body to support various physiological processes.