Answer:
Only two backbones and thousands of ribs.
I am a fire's best friend. When fat, my body fills with wind. When pushed to thin, through my nose I blow. Then you can watch the embers glow.
When does Christmas come before Thanksgiving?
It cannot be seen, it weighs nothing, but when put into a barrel, it makes it lighter.
A man parks his car outside of a hotel and immediately realises he is bankrupt. How did it happen?
What never gets any wetter no matter how hard it rains?