Fact 1: Arteries generally carry oxygen-rich blood.

Fact 2: Arteries turn into smaller arteries called arterioles.

Given the two facts above, answer the question "Arterioles carry what type of blood?" with the following options: 
- epidermal
 - Carbon Dioxide
 - Plasma
 - Oxygen-rich
 - oxygen
 - heat or cold
 - aqueous solution
 - Type AB


 

    Oxygen-rich     