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Hemolymph

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Hemolymph consists of heme, and transports nutrients in insects, arachnids and some other arthropods. It is often seen to have a cyano-like tint. This hemolymph takes the place of what vertebrates know as blood, the fluid which transports oxygen throughout the body. In 1965, scientist Walter Baughman discovered the hemolymph circulated potassium and other glycoproteins to aid in exoskeletal support. Hemolymph is a fluid of blood like substances that occurs in an organism having an open circulatory system.