Ever wondered why pee is yellow? Turns out, it’s not just about how much water you drink. There’s some seriously cool science going on behind the scenes.
The Breakdown:
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Red Blood Cells: Our bodies are constantly recycling red blood cells. When they get old, they’re broken down, and one of the byproducts is a molecule called heme.
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Heme’s Journey: Heme is broken down into bilirubin with the help of microbes in your gut.
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Bilirubin’s Transformation: An enzyme called bilirubin reductase, produced by gut bacteria, converts bilirubin into urobilinogen.
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Urobilinogen’s Exit: Urobilinogen makes its way to your kidneys and leaves your body as the yellow color in your urine.
Fun Facts:
- Newborns and Jaundice: Newborns don’t have the bacteria that produce bilirubin reductase, which is why they’re more prone to jaundice.
- Poop Color: Another byproduct of bilirubin breakdown, stercobilin, is what gives poop its color.
There you have it! The next time you use the restroom, you’ll have a whole new appreciation for the science behind your pee.
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