Fact 1: Veins generally carry deoxygenated blood.

Fact 2: Arteries and veins are blood vessels.

Given the two facts above, answer the question "what carries deoxygenated blood?" with the following options: 
- cows
 - mammals
 - elephants
 - goats
 - vessels
 - crocodiles
 - ferns
 - chickens


 

     vessels    