Fact 1: Arteries generally carry oxygen-rich blood. Fact 2: Bright red fluid blood is the exception, but has been recorded. Given the two facts above, arteries generally carry bright red what?

Choose your answer from:
[I] Joules.
[II] paint.
[III] Energy.
[IV] Energy..
[V] fluid.
[VI] food.
[VII] dye.
[VIII] liquid.
Answer:
[V]