Why don’t fish get thirsty?
In: Biology
Fish actually need to work to keep water OUT rather than in. We’re the opposite which is why we have a thirst reflex and organs such as kidneys.
Life began in the ocean, so the only way creatures can live on land (in dry air) is due to adaptations like the aforementioned allowing us to store and preserve water well enough to stay “wet.”
TL-DR: land animals are weird, not fish.
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