Answer:
A hole leading in, a hole leading out, we connect to a cavern that is slimy all throughout. What are we?
Mountains will crumble and temples will fall. And no man can survive its endless call.
With head without hair. With mouth without tooth.
Come up and let us go. Go down and here we stay.
He's dead with a metal bar across his back. When a woman sees him, she is very pleased. This was all perfectly legal. What's going on?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?