Salt water fish have basically been brining their whole lives. So why aren’t they automatically salty when you eat them?
In: Biology
Fish are not just sea water in a fish-shaped bag. Their blood and tissues have chemical requirements that are maintained through a variety of processes including [osmosis](https://simple.wikipedia.org/wiki/Osmosis) and [active transport](https://simple.wikipedia.org/wiki/Active_transport). These processes keep the insides of fish less salty than the water they swim in.
Brining works on dead organisms because there are no biological processes working to counter the salt.
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