The answer that best completes the statement is PHOSPHORS. When we say phosphors, these includes the three primary colors that are shown in electronic displays. Phosphors is a synthetic fluorescent substance typically seen in luminescence as this emits light whenever it is exposed to radiation.
The different blood vessels; First, Arteries that carry the blood from the heart. Then, the Capillaries which allow an exchange of water and chemicals throughout the blood and the tissues. Finally, Veins that carry blood from the capillaries to the heart.