Question

give a reason as to why do we need a respiratory pigment to perform system

Answer 1

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, haemocyanin, haemerythrin and chlorocruorin. Hemoglobin is bright red when oxygenated, and dark red(purplish) when deoxygenated, oxygenated haemocyanin is blue in color, deoxygenated it is almost colorless. Oxygenated chlorocruorin turns from green to red, whereas oxygenated haemerythrin is a violet to pink colour and colorless when deoxygenated. Any of various colored conjugated proteins, such as hemoglobin, occur in living organisms and function in oxygen transfer in cellular respiration.


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Answer 2

Answer: The respiratory pigments are required because they carry oxygen to the blood and then circulate to the different parts of the body and converts the deoxygenated blood into the oxygenated blood, it releases carbon dioxide back to the environment. This is called the process of the circulation of blood in the heart and body.