I learned in biology that we have something called residual volume of air in our lungs. I saw a video on a sub showing the lack of oxygen through a burning fire. There were comments that if you went in that space you will pass out. There were stories about how a Chinese teacher passed out while tying his shoelace but students survived since they were standing up. Most humans can hold their breath for 10 seconds at least. So why is it that when you go into a tiny space with no oxygen but dense co2, you will pass out?
In: Biology
I don’t think that is true as I have been in a vaccum before and I didn’t pass out. It is a common test in pulmonology offices, they suck the air out of the room and ask you to try to take a breath.
The panic attack I felt like I was having trying to breathe without any air was enough to make me pass out, but I did not.
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