Answer:
I am whole but incomplete. I have no eyes, yet I see. My largest part is one fourth of what I once was. What am I?
I produce wool and spit a lot
You can catch me but cannot throw me. What am I?
I'm white and used for cutting and grinding. When I'm damaged, humans usually remove or fill me. For most animals I am a useful tool. What am I?
I dance on one feet and knows only one shape. Someone with same name as me is very good with directions
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.