" ...Mind you, if we we're talking about regeneration, we could go a step further and take a leaf out of the sponge book. There are sponges you can chop to pieces, whiz up in the blender, and then press through a sieve, but they'll still regenerate."
"Useful, maybe," I replied, "but I think there is a limit to the amount of fun you could have as a sponge. "

― Jasper Fforde , The Last Dragonslayer (The Last Dragonslayer, #1)