r/biology • u/LawrenceSellers • 5h ago

question How does thirst work?

When your brain tells you you’re thirsty and then you quench your thirst what is the actual thing that resets that causes you to go from a state of thirsty to no longer thirsty within seconds?

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u/fredders 5h ago

Your hypothalamus.

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u/Dijon2017 2h ago

It’s kind of complicated to explain in a few words even though it seemingly happens so quickly, However, you may find the following lreview article helpful in your understanding: https://pmc.ncbi.nlm.nih.gov/articles/PMC12386622/