Answer:
Tear me off and scratch my head what once red is now black.
What has a neck but no head?
I have a lot to say but can't be heard because I can't speak one single word. What am I?
I let water fall on you while everyone else stays dry. What am I?
What force and strength cannot get through I with my unique teeth can do.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.