Answer:
I have four fingers and a thumb, but I'm not living. What am I?
Everyone in the world needs me. They generously give me but never take me. What am I?
I have a head, tail, but no arms and legs. What am I?
I move without wings, between silken strings. I leave as you find my substance behind. What am I?
I am higher than the king
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.