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BaconReceptacle t1_ja98asp wrote on February 27, 2023 at 7:52 PM

Reply to comment by DeadlyProtocols in ELI5: Why do we take that deep, involuntary breath when idle out of nowhere? by respectcrazy

I think it's natural selection. We evolved with alveoli as the gas exchange mechanism in our lungs. If you didnt have the genetic code for this automatic response, you didnt have as many offspring.