1-Why does Blood looks blue when you see it through your skin? although it is red!!
2-Is everyone’s blood always the same color red?
You must want to know the answers!!
1-The blood always appears blue from outside in the vein under the skin. It is because of the absorption of the light of different wavelengths penetrating in your skin. The difference between capillary’s and vein’s blood color depends upon how recently blood gets oxygen.
2-Some Octupas, squids and snails= Blue Blood
Some Submarine worms= Pinkish Violet Blood
Some Skunks= Green Blood