An artery carries blood from the heart to other parts of the body while a vein carries blood to the heart.
- He had an operation last year to widen a heart artery
- Blood enters the kidneys via the renal artery.
- He almost bled to death after the bullet severed an artery.
- Blood poured from the main artery of the thigh.
- Many veins are found just under the skin.
- The surgeon performed a section on the vein.