Answer:
I may only be given but never bought. Sinners seek me but saints do not. (one word).
I am the kind of soda you must not drink.
Send poorly behaved children to me and let them sit here. What am I?
I love spinach.
I'm really blue but when you see me I'm red. You don't see me too often. I'm there for you if you're hurt.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.