The correct answer is:
C) Arteries carry oxygenated blood, while veins carry blood low in oxygen.
This statement accurately reflects the general function of arteries and veins in the circulatory system, with the exception of the pulmonary arteries and veins, where this pattern is reversed. In most cases, arteries transport oxygen-rich blood away from the heart (to the body), while veins transport deoxygenated blood back to the heart.