Answer:
I can be written, I can be spoken, I can be exposed, I can be broken.
Everyone has it and no one can lose it, what is it?
What can be forever wound up but never annoyed?
I am the heart that does not beat. If cut, I bleed without blood. I can fly, but have no wings. I can float, but have no fins. I can sing, but have no mouth.
A doctor might remove one from the neck of a Dracula victim.
Which popular cheese is made backwards?