Answer:
Men seize me from my home tear apart my flesh drink the sweet blood then cast my skin aside.
I need to be taken before you can have me. What am I?
I can be found after you remove 6 letters from BSAINXLEATNTEARS
I have cities without people forests without trees and oceans without water. What am I?
you hold my tail while I fish for you
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.