Answer:
You use me between your head and your toes the more I work the thinner I grow.
I fill a room but take no space. What am I?
What has a head and a tail, but no body or legs?
What five-letter word becomes shorter when you add two letters to it?
I save lives on the ground and in the air
No matter how little or how much you use me, you change me every month.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic