Answer:
What do you call a bear with no teeth?
You throw me out when you use me and take me in when you are done.
You kick me, you punch me, and you beat me up all class. When you leave, you don't even say thanks for allowing you to beat me up. What am I?
What jumps when it walks, but sits when it stands?
What gets bigger when more is taken away?
A little house full of meat, no door to go in and eat.