1. Has thick, strong walls due to high pressure. 2. Moves blood away from the heart.
3. Has thin walls and valves to prevent back flow of blood.
4. Moves blood towards the heart.
5. Carries blood low in oxygen.
6. Most numerous type of blood vessel, is the site of exchange of material between cells and the blood.

Choices: Vein, Artery, or Capillary