Fact 1: Arteries generally carry oxygen-rich blood.

Fact 2: Oxygen-rich blood is bright red.

Given the two facts above, answer the question "what do arteries carry?" with the following options: 
- brain waves
 - bright red blood
 - wavelengths and photons
 - nerve cells
 - energy of moving objects
 - Veins and arteries.
 - veins
 - heat energy


 

  bright red blood       