Question

define hemoglobin
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Answer 1

A substance in red blood cells which helps in carrying oxygen from the lungs to other part of the body..

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Answer 2

❥refer the image for pic

Hemoglobin or haemoglobin + -o- + globulin, 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.