Which one of the following is the respiratory pigment in man ? A)Haemocyanin B)Haemoerythrin C)b-Carotene D)Haemoglobin
Option D) A respiratory pigment is a molecule, such as hemoglobin in humans, that increases the oxygencarrying capacity of the blood. The four most common invertebrate respiratory pigments are hemoglobin, haemocyanin, haemerythrin and chlorocruorin.
