Answer:
I move without wings, between silken strings. I leave as you find my substance behind. What am I?
I can fall off a building and live, but in water I will die. What am I?
I am carried by mad animals.
What force and strength cannot get through I with my unique teeth can do.
I am an activity dogs are very good at when a ball is thrown.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.