How do eels shock people? Where does the electricity come from?
In: Biology
Bodies are pretty much always producing small electric signals. Smartphone touchscreens actually detect that electricity in us to know where we touched the screen. There’s basically cells that produce a tiny bit of electricity. What electric eels evolved to do is have them work in unison. So, whereas we can just make a constant, low-level electric signal, they can do that or synchronize it all so there’s a real zap.
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