We've learned about how oxygenated blood goes all the way from your heart to your head fingers and toes in the arteries of the body.
At the very end of the trip, the arteries that are carrying the oxygenated blood split apart into smaller tubes called arterioles to bring blood to every part of your body.
(from: wikipedia - arteriole)
Kid Facts - Blast from the past: Stomach - Hydrochloric Acid
