Answer:
I grow up while growing down
I have hands but do not hold, teeth but do not bite. Feet I have but they are cold, eyes I have but without sight. What am I?
What has a ring but no finger?
What goes up but never comes down?
Flat as a leaf, round as a ring; have two eyes, can't see a thing. What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.