Respiratory pigment Respiratory pigment A respiratory pigment is a molecule, such as hemoglobin in humans and other vertebrates, that increases the oxygen-carrying capacity of the blood. The four most common invertebrate respiratory pigments are hemoglobin, hemocyanin, hemerythrin and chlorocruorin. Hemoglobin is bright red when oxygenated, and dark red(purplish) when deoxygenated, oxygenated hemocyanin is blue in colour, deoxygenated it is almost colourless. Oxygenated chlorocruorin turns from green to red, whereas oxygenated hemerythrin is a violet to pink colour and colourless when deoxygenated. Any of various coloured conjugated proteins, such as hemoglobin, occur in living organisms and function in oxygen transfer in cellular respiration.
The "What Time Is Love?" Story half the price of a conventional album. Released on 25 September 1989 on LP and CD, "The "What Time Is Love?" Story" used the same basic design lay-out as the "Pure Trance Original" singles, but the colour scheme was altered: lurid pink writing on lurid green (for the vinyl), and lurid green on lurid pink (for the CD). Many commentators have speculated that all of these 'covers' were in fact the work of The KLF themselves. "Q" magazine, for example, commented that "one wonders why all the vocalists sound so alike (and British, even when praising Allah)" and asked of