I've heard there's literally some kind of electric charge going on, and your muscles play an important role in this. They might act as storage of sorts, but you

I've heard there's literally some kind of electric charge going on, and your muscles play an important role in this. They might act as storage of sorts, but you need to exercise eventually so they can discharge, otherwise you get to the point where things can't function properly. Heart is supposed have crucial part in generating electrical fields too. Not much info on that topic so take it with a grain of salt.