Answer:
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.
What goes in the water black and comes out red?
I am round as a bowl, deep as a tub, but all the world's water couldn't fill me up.
Two in a whole and four in a pair. And six in a trio you see. And eight's a quartet but what you must get. Is the name that fits just one of me?
Salty water everywhere but not sea in sight.
What covers its face with its hands, speaks no language, yet most known what it's saying?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?