Answer:
When you take away the whole from me there is always some left.
What has banks but no money a bed but no sleep waves but no ocean?
Tear off my skin. I won't cry, but you will. What am I?
What is eaten but can also eat?
I am seen in the water. If seen in the sky I am in the rainbow a jay's feather and lapis lazuli.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.