Question

A blood vessel that takes oxygen-rich blood away from the heart

Answer 1

You're aorta pumps blood from your left ventricle into your body.

Answer 2

The correct answer to this is the Artery. This is because there is only two blood vessels. The vein witch pumps oxygen poor blood to the heart. And the artery that pumps oxygon rich blood away from the heart. So the correct answer will be the artery.