Fact 1: Arteries generally carry oxygen-rich blood. Fact 2: Oxygen-rich blood is bright red. Given the two facts above, what do arteries carry?
pick from the following.
[I] brain waves.
[II] bright red blood.
[III] wavelengths and photons.
[IV] nerve cells.
[V] energy of moving objects.
[VI] Veins and arteries..
[VII] veins.
[VIII] heat energy.
Answer:
[II]