Answer:
The main difference between us and zombies
Cold head and feet; Round as a ball; Always turning around itself.
I have one eye, See near and far, I hold the moments you treasure, And the things that make you weep.
What can speak without a tongue and listen without ears?
What starts with a P, ends with an E and has a million letters in it?
It produces a flower but it is not its fruit; it produces branches which are its fruit.