Fact 1: Oxygen is just one substance transported by the blood.

Fact 2: Contraction of a muscle produces heat which is transported to other parts of the body by the blood.

Given the two facts above, answer the question "What is transported to other parts of the body?" with the following options: 
- Organic compounds
 - ice
 - oxygen and heat
 - vital organs
 - heat energy
 - Veins and arteries.
 - electromagnetic energy
 - cat hair


 

   oxygen and heat      