why when you’re injected with certain dyes / fluoroscopy (for body scans etc), you suddenly have the sensation of needing to pee?
In: 1
The pollutants injected into your bloodstream are filtered out by your kidneys, that’s their job. The concentrations are high, so the kidneys use a good amount of the water in your bloodstream to dilute them. This fills your bladder, and you actually need to urinate.
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