Answer:
I am so delicate that even mentioning me breaks me. What am I?
Never resting, never still. Moving silently from hill to hill. It does not walk, run or trot. All is cool where it is not. What is it?
You throw me out when you use me and take me in when you are done. What am I?
I can never be stolen from you. I am owned by everyone. Some have more some have less.
I can be in your body but never on your placemat. I'm always better when I'm fresh, but you'll never see me in the flesh. What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.