Answer:
It regulates our daily movements, but it feels no interest in our lives. It directs us when to come and go, but does not care if we pay attention. What is it?
What has two spines and a lot of ribs, and carries much but never moves?
What can you put in a barrel to make it lighter?
I am cracked by Indiana Jones. What am I?
By Moon or by Sun, I shall be found. Yet I am undone, if there's no light around
What is so fragile that saying its name breaks it?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?