It carries oxygen in the blood. It is iron containing compound. It provides immunity against certain diseases. It imparts red color to the blood. The correct statements out of these are: Let's evaluate each statement: 1. It carries oxygen in the blood: True. Haemoglobin binds to oxygen in the lungs and transports it to tissues. 2. It is iron containing compound: True. Each haemoglobin molecule contains four heme groups, and each heme group contains an iron atom. 3. It provides immunity against certain diseases: False. Immunity is primarily provided by the immune system, including white blood cells, antibodies (immunoglobulins), etc. Haemoglobin is involved in oxygen transport, not immunity. 4. It imparts red color to the blood: True. The iron atom in the heme group gives blood its characteristic red color, which becomes brighter when oxygenated (oxyhaemoglobin).
Consider the following statements about haemoglobin:
Asked in UPPCS Prelims 2016 · Topic: Circulatory System (Components of Blood: Plasma, Erythrocytes, Leukocytes, Platelets)
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