Answer:
It flies around all day but never goes anywhere? What is it?
I go up and down at the same time. Up towards to sky and down towards the ground. What am I?
I am the home for feathery animals.
I help engines spin and pants stay up. What am I?
What is easy to get into, but hard to get out of?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.