Answer:
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.
I'm not man's best friend, I'm their enemy, I can mark your end, yet you do not see me, I am very small, but very tough, If you have me, then you have it rough.
I have one, you have one. If you remove the first letter, a bit remains. If you remove the second, bit still remains. If you remove the third, it still remains.
I crawl on the earth. And rise on a pillar.
Both punishment and sweet reward, It will befall both fool and lord. It is a spiritual scoreboard, Your every deed it does record.
What is the difference between love and marriage?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?