Which statement correctly identifies a difference between the function of most arteries and veins?

A. Arteries carry red blood cells, whereas veins carry white blood cells.

B. Veins carry red blood cells, whereas arteries carry white blood cells.

C. Arteries carry blood to the heart, whereas veins carry blood away from the heart.

D. Veins carry blood to the heart, whereas arteries carry blood away from the heart.