Why do we see the color blue blood ?????   

Why do we see the color blue blood ?????
Why our veins appear blue???

Scientific question is very simple, but at the same time come to mind too much, we know that

the color of blood red, if that makes the veins that we see close to the skin seem to be blue or

bluish color of some thing? Is not it supposed to be the phenomenon veins a blood-red planet's?

The veins that we see in our skin is never red .. But there is a rationale for this ..

It contains red blood cells, which constitute about 40 percent of the volume of blood we have, the molecules assume

Oxygen called Balheimocalobin. When the red blood cells pass through the lungs, the
hemoglobin picks up oxygen and carries , turning to the color red gown during the process. Is
called a combination of hemoglobin with oxygen to Oksihimocalobin, and is pumped from the heart towards the high-pressure network of blood vessels deployed in the muscle tissue as a whole