Answer:
Fatherless and motherless. Born without sin, roared when it came into the world. And never spoke again.
Often held but never touched. Always wet but never rusts. Often bits but seldom bit. To use it well you must have wit.
What is given but kept by the giver?
What kind of room has no windows or doors?
The more you take, the more you leave behind.
You use it between your head and your toes, the more it works the thinner it grows.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?