Answer:
I have one, you have one. If you remove the first letter, a bit remains. If you remove the second, bit still remains. If you remove the third, it still remains.
A doctor might remove one from the neck of a Dracula victim.
Three lives have I. Gentle enough to soothe the skin. Light enough to caress the sky. Hard enough to crack rocks.
How far will a blind dog walk into a forest?
A box without hinges, lock or key, yet golden treasure lies within.
As round as an apple. As deep as a cup. All the king's horses can't pull it up.