Answer:
What goes up and down, but does not move?
I am the second L in LOL.
I widen my jaws when you poke two fingers in me. I especially like to devour papers
With a halo of water and a tongue of wood, stone as skin long I stood. What am I?
I donβt forget!
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.