would we be able to be breathe if there wasn't carbon dioxide?

Question

i know we breathe in oxygen and breathe out oxygen, but do plants breathe in carbon dioxide and release oxygen?

Answer 1

We don't breathe in oxygen and breathe out oxygen.

We do breathe in oxygen and breathe out carbon dioxide.

You are correct that planets take in carbon dioxide and release oxygen, just the opposite of people (and all animals).

People can breathe pure oxygen. They sometimes give you pure oxygen to breathe at the hospital for example.

Answer 2

CORRECTION. We Breathe in OXYGEN, we Breathe out CARBON DIOXIDE(also animals).Plants breathe in Carbon dioxide, Breathe out oxygen. The most abundant oxygen releaser is plants. Since plants need carbon dioxide to live. They will die if CO2 is gone. Since we need Oxygen, we will also die when no oxygen is enough because of the lost of plants.

Answer 3

uh, you are wrong, we breathe in Oxygen and we breathe out Carbon Dioxide.



The answer to your question is "YES", we could live if there was no Carbon Dioxide in the air. in sports games, sometimes you see athletes on the side breathing straight oxygen. The only thing is, if for some reason there was no more Carbon Dioxide, plants will die because they use carbon dioxide. If they die, then we die because plants produce oxygen.

Answer 4

We, and all other heterotrophic organisms, breathe in oxygen, and breathe out carbon dioxide.



Plants by contrast do the exact opposite. Do realize though, upon its death, no matter whether you eat it, burn it, or let it rot, the method of decomposition will release all of the carbon dioxide it once absorbed over its entire lifetime, and consume all the oxygen it once produced over its entire lifetime.



The importance of carbon dioxide TO US is that it TRIGGERS us to breathe. The sensors in our lungs cannot sense oxygen. They only sense carbon dioxide. When the concentration of CO2 in the lungs is high enough, it triggers the diaphram to exchange the breath within the lungs with outside air.



If there were absolutely zero CO2 existing in the air, you would inhale the mix of N2 and O2 that we call "air", and once you process this air, you make your own CO2 that will then trigger you to breathe. CO2 in the outside air is unneeded to trigger us to breathe, as our own respiration will generate it.

Answer 5

Just to correct 1 thing



When plants decompose they DO NOT release the CO2 back into the atmosphere



Cos in the process of growing they absorb co2 and convert it into hydrocarbons .this "fixes" the carbon as part of a larger molecule.

Answer 6

No we'd die.