Almost everyone knows that a lizard can easily loose its tail, which will be regenerated again, or even it can decide even to loose it when the tail is fixed somehow somewhere.
What you might not know, at least I didn't know, that when the tail is lost it starts to beat like a heart muscle does when the heart is separated from the body and at the same sort of frequency. So maybe the tail muscle is similar as a heart muscle. Who knows?
Enjoy the video.