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:

hemoglobin is a protein in your red blood cells that carries oxygen to your body's organs and tissues and transports carbon dioxide from ur organs and tissues back to your lungs if a hemoglobin test reveals that your hemoglobin level is lower than normal it means you have a low red blood cell count(anemia) mark as brainliest if ur satisfied with this answer