You are presented with the question "what do arteries carry?" and the following answer choices: 
- brain waves
 - bright red blood
 - wavelengths and photons
 - nerve cells
 - energy of moving objects
 - Veins and arteries.
 - veins
 - heat energy

Now knowing that arteries generally carry oxygen-rich blood and oxygen-rich blood is bright red, choose the best answer.


 

  bright red blood       