Answer:
I am a food with 5 letters. If you remove the first letter I am a form of energy. Remove two and I'm needed to live. Scramble the last 3 and you can drink me down.
I have hands but cannot clap
I can fall off a building and live, but in water I will die. What am I?
I can be swallowed But I can also swallow you.
I have keys but no locks. I have space but no room. You can enter but can't go outside. What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.