• Hnery@feddit.org
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      5 months ago

      That’s what’s literally happening in your kidneys. Your primary urine is low concentrated, and gets converted into high concentrated secondary urine through several fun biophysicochemical reactions. Boring piss gets to be exciting piss. Wohoo?

    • jetA
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      5 months ago

      Ultra Urea Man! Not the superhero we wanted, but the superhero we needed