Question

The blue areas in the image represent the body parts that transport deoxygenated blood throughout the body. What are they called "?

Answer 1

Deoxygenated Blood is carried by veins in the body so the VEINS would be blue in such a diagram.

Answer 2

The answer is veins. Veins carry blood from tissues to the heart. The vena cava is the largest vein in the body that carries blood into the heart right auricle. Pulmonary vein is the only vein that carries oxygenated blood because it carries blood from the lungs to the heart.