Once upon a time there was a female brain cell that by mistake happened to end up in a man's head. She looked around nervously but it was all empty and quiet. "Hello?" she cried, but no answer.

"Is there anyone here?" she cried a little louder, but still no answer. Now the female brain cell started to feel alone and scared and again she yelled: "HELLO, IS THERE ANYONE HERE!!?"

Then she heard a voice from far, far away: "Hello! We're down here..."