Answer:
Iron roof, glass walls, burns and burns and never falls.
We are all around, yet to us you are half blind. Sunlight makes us invisible, and difficult to find
I'm not really more than holes tied to more holes. I'm strong as good steel, though not as stiff as a pole.
What binds two people yet touches only one?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?