Answer:
I am wood that is neither hard straight or crooked
I'm not really more than holes tied to more holes; I'm strong as good steel, though not as stiff as a pole.
I can be swallowed, but I can also swallow you. What am I?
A hundred arms, a thousand fingers, but I have no eyes to see where I linger. What am I?
People need me yet they give me away every day.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.