yes veins are red because they have oxygen in them and when blood is exposed to oxygen it turns red.
the answer is 75% will have red veins
No, veins can not produce red blood cells.
Red veins carry oxygenated blood.
Palmately veins
the color of aorta isRed. In the veins, its a deep maroon.
It's not. Blood is only darker red when it is in veins.
no!
red
Yes, but it will be a little darker inside the veins.
Veins are blue. Capillaries and arteries are red because the iron in it turns red when it is exposed to oxygen. Just like rust on old garden tools.
Your veins
no