Question

What is Hemoglobin?????
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Answer 1

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Hemoglobin, or haemoglobin, abbreviated Hb or Hgb, is the iron-containing oxygen-transport metalloprotein in the red blood cells of almost all vertebrates as well as the tissues of some invertebrates. Hemoglobin in blood carries oxygen from the lungs or gills to the rest of the body.

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Answer 2

Answer:

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a red substance in the blood that carries the gas we need to live (oxygen) and contains iron

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