Which description best describes arteries?

A) All carry oxygenated blood to the heart.
B) All contain valves to prevent backflow of blood.
C) All carry blood away from the heart.
D) none of the above

Backflow

The undesirable reversal of flow in a piping system, often leading to contamination or pressure problems.

Arteries

Blood vessels that carry oxygenated blood away from the heart to the body's tissues, except for the pulmonary arteries which carry deoxygenated blood to the lungs.