Answer the following question given this paragraph: 

Figure 16.12 The arteries of the body, indicated in red, start at the aortic arch and branch to supply the organs and muscles of the body with oxygenated blood. The veins of the body, indicated in blue, return blood to the heart. The pulmonary arteries are blue to reflect the fact that they are deoxygenated, and the pulmonary veins are red to reflect that they are oxygenated. (credit: modification of work by Mariana Ruiz Villareal).


Q: What does the blue color of the pulmonary arteries reflect?

 Choices:

- they are lost

- they are oxygenated

- they are done

- they are deoxygenated

A:
they are deoxygenated
