Answer:
What can be heard and caught but never seen?
Two bodies have I, though both joined in one. The more still I stand, the quicker I run.
I am the tool, for inspiring many. Buy me in the store, for not much more than a penny. Don't overuse me, or my usefulness will go.
Iron roof, glass walls, burns and burns and never falls.
What hangs others yet can unintentionally hang itself?
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.