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actually i think the body has receptors for CO2? not for CO though. like CO2-rich air outright smells sour.

[-] figjam@midwest.social 16 points 5 days ago

Fun Fact - Your body cannot sense when air doesn't contain enough oxygen to keep you alive. However it can sense when there is too much CO2 and causes you to panic.

[-] Apytele@sh.itjust.works 3 points 3 days ago* (last edited 3 days ago)

Depends. The reflex can get fucked up in certain long term lung disorders or some people intentionally fuck theirs up for freediving. It's a contraindication to gaseous nitrogen for MAID / death with dignity.

this post was submitted on 19 Mar 2026
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