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Haemoglobin is an iron containing respiratory pigment.It is a molecule responsible for carrying oxygen from our lungs to the rest of our body.It is found in red blood cells.
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Haemoglobin is the iron-containing oxygen-transport metalloprotein in the red blood cells of all vertebrates (with the exception of the fish family Channichthyidae) as well as the tissues of some invertebrates.
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