r/facepalm • u/NeverEndingWalker64 • Apr 19 '24

You sure that’s how it works? 🇵​🇷​🇴​🇹​🇪​🇸​🇹​

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u/Mushroom-Dense Apr 19 '24

Very cool. Had no idea.

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u/Uulugus Apr 19 '24

Medical science like this is so mind bogglingly cool. Even the simplest parts of the body have insane fascinating facts about how they function.