In all vertebrates (animals having a backbone) and a few invertebrates (animals lacking a backbone), an iron-containing protein called hemoglobin is responsible for oxygen transport. Top Answer. However, red is not the only blood colour available – it also comes in blue, green, violet, and even colourless varieties – and this is a result of the specific chemicals that make up blood in different organisms. The different colors reflect different chemicals in special proteins in the blood called plasma proteins that carry essential nutrients throughout the body. Asked in Health Can different colours of blood affect one's health? Would you like to merge this question into it? Animal Coloring Pages by National Geographic for Kids . Animals With different blood colour and Why? Animals have different coloured blood? These arthropods' blood uses a different ... it only turns color when oxygenated, and in some species — … You probably already have a pretty good idea of the reasons behind the red colouration of human blood that fake blood mimics. Not all animals have red blood. Turns out blue bloods are pretty gross even without the inbreeding. For example, hemocyanin makes the blood blue because it uses copper atoms instead of iron, which turns blue when it binds to oxygen. So what is the reason for all of these different colors of blood in animals? It will be in a different colour than all the other sheet tabs. Turns out blue bloods are pretty gross even without the inbreeding. already exists as an alternate of this question. Spiders (as well as horseshoe crabs and certain other arthropods) have blue blood due to the presence of copper-based hemocyanin in their blood. Hemocyanin Proteins – Blue Blood. Visit KidZone Animals for Fun Facts, Photos and Activities about all sorts of Animals. • Humans have a closed and complete blood vessel system, whereas some animals have open and/or incomplete blood systems. I know that blue-tongue lizards have blue blood even when bleeding but there are other animals and reptiles that do have different coloured blood other than red. • Human blood is always warm but not the blood in all the animals except mammals and birds. Why some animals have blue, green, or purple blood. Answers.com ® Categories Science Biology Human Anatomy and Physiology Circulatory System Blood Which animals have different colour of blood? Blood is circulated around the body through blood vessels by the pumping action of the heart. Which animals have different colour of blood? Also, not having a nucleus means the blood cell can pack in more hemoglobin/hemocyanin/oxygen carrier, which means it can deliver more oxygen to the body. The color of blood is related to the compounds that transport oxygen. The color of blood depends upon the type of compound or respiratory pigment within the blood that transports oxygen from the lungs to the tissues. Blood comes in different colors, depending on species. 10 Animals That Bleed Blue. These proteins cause the many colors of the blood. You also probably know that the colour of an object comes from its ability to absorb light wavelengths from a specific spectrum. Different oxygen carriers. Hemoglobin, containing iron, is red and is found in all vertebrates (animals having a backbone) and a few invertebrates (animals lacking a backbone). animals have red blood, but crabs, lobsters, By Diana Lutz spiders, and octopuses have blue blood. While humans and many other species have red blood, due to the iron in their hemoglobin, other animals have different colored blood. In animals with lungs, arterial blood carries oxygen from inhaled air to the tissues of the body, and venous blood carries carbon dioxide, a waste product of metabolism produced by cells, from the tissues to the lungs to be exhaled. In fact, the blood in animals can have other colors like blue, green, yellow, purple, and even white! These colors caused by different proteins and pigments found in the blood. In some species, such as the peafowl, the male has strong patterns, conspicuous colors and is iridescent, while the female is far less visible..