Lobster's blood is light blue. In the animal kingdom, there are not only hemoglobin, but also blood Brown protein, blood green protein and hemocyanin. Shrimp blood contains hemocyanin. Hemocyanin is a respiratory pigment containing copper, which is light blue when combined with oxygen and colorless after deoxygenation. What color is lobster's blood? Blood is the spring of life. It is composed of plasma and tangible components freely suspended in plasma. It has the function of transporting oxygen to all parts of the body.
Blood plays an important role in maintaining life. It is the liquid tissue in the circulatory system of human or higher animals, which is composed of plasma and blood cells.
In addition to transporting oxygen, blood also has the functions of transporting nutrients, taking away waste, providing immune function and information, regulating pH, body temperature and hydraulic pressure. （LongHaDeXieShiShenMeYanSeDe）