Answer:
There is one in every corner and two in every room.
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.
What can one catch that is not thrown?
You use me between your head and your toes the more I work the thinner I grow.
Lives in winter, dies in summer, and grows with its roots upward. What is it?
A little house full of meat, no door to go in and eat.