Did you know that the protein in an animal’s blood determines the color of their blood? For instance, An insect’s blood is yellow, light green or clear. If you squash a blood and see red you can be sure it is the blood from someone that is sucked!
A mammal’s blood is red.
Is a lobster’s blood is blue or clear? Well, crustaceans, spiders, squid, octopuses, and some mollusks all have blue blood because of their respiratory pigment. Rather than hemoglobin, these creatures use a protein called hemocyanin to transport oxygen.
Which animal has black blood?
Which Animal has purple blood
What color is your blood?
Go to Vox to find out more about blood colors and the chemistry of blood.