Answer:
What always runs but never walks, often murmurs, never talks, has a bed but never sleeps, has a mouth but never eats?
What has two legs but doesn't walk?
Thirty white horses on a red hill, first they champ, then they stamp, then they stand still.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.
Some try to hide, some try to cheat. But time will show, we always will meet. Try as you might, to guess my name. I promise you'll know, when you I do claim.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?