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?
A dragons tooth in a mortals hand, I kill, I maim, I divide the land.
Thirty white horses on a red hill, First they champ, Then they stamp, Then they stand still.
If Mississippi should lend Missouri her New Jersey, what would Delaware?
Ripped from my mother's womb. Beaten and burned, I become a blood thirsty killer.
People take me on walks and I run and have fun. What am I?