Answer:
The more it dries, the wetter it becomes. What is it?
With a halo of water and a tongue of wood; stone as skin long I stood.
I go up and down at the same time. Up towards to sky and down towards the ground. What am I?
I am in the past, never in the future. I don't exist, but have existed. I saw what you saw, and this is what I will ever see. What am I?
My first two letters say my name. My last letter asks a question. What I embrace I destroy.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.