Answer:
What seven letter word has hundreds of letters in it?
I am your most powerful weapon; I come before your eyes. I help you seek the truth, yet I often give you lies. What am I?
I like to twirl my body but keep my head up high. After I go in, everything becomes tight. What am I?
I am the minerals vital for your good health.
You cannot keep me until you have given me. What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.