526 sats \ 1 reply \ @NoStranger 6 Oct 2023 freebie \ on: Fun Fact Friday - Best Fun Fact Gets 10,000 Sats meta
When you hold your breath the urge to breathe is caused not by lack of oxygen but from the CO2 buildup.
So it's an urge to breath out, not to breath in?
That explains why I can hold my breath longer when I start to breath out slowly at the end.
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