Answer:
I have a neck and no head two arms but no hands. I go with you to school I go with you to work.
People need me yet they give me away every day.
I am a cave full of bones and the house of a worm.
I can be thin but not fat; 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 is put on a table cut but never eaten?
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.