The ultimate biochemical betrayal! Hemoglobin is supposed to bind with oxygen to keep us alive, but it has a dirty secret - it binds to carbon monoxide 200 times more strongly! That's why CO is so dangerous - your blood cells literally ditch oxygen for carbon monoxide like it's the hottest new molecule at the cellular club. The Elmo meme perfectly captures hemoglobin's chemical "preferences" - politely acknowledging oxygen while absolutely RACING to grab that sweet, sweet carbon monoxide. Your own blood proteins are basically thirsty traitors with no loyalty to your survival needs!
Hemoglobin's Deadly Affair With Carbon Monoxide

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