Red king crab blood consists of leukocytes and the next-most frequent respiratory pigment termed hemocyanin.[26]: 488 Arthropod hemocyanin is a distinct variation particular to arthropods and it is a metalloprotein that utilizes copper atoms which are sure to its composition. It had been 1st located in Norway in 1977. From https://eminemh554bri3.nizarblog.com/profile