Using the Muscles in Fish

Fish have special organs. Bat they can hold on to that electricity, and then they can zap things with it. Every kilogram of scaletal muscle, you release 100 wats of power. So basically, you've youre using the muscular system for food, for defence, for navigation and then for movement. Nus and heat, like fish will move their eyes to keep warm. Really, it generates that much heat, or blood, blood vessels in your head,. Even in a fish head, we've got big brains.