Question

what is hemoglobin?

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Answer 1

Answer:

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.

Answer 2

Answer:

$\rightarrow$ Hemoglobin is a vital protein found in red blood cells which rich in iron, captures the oxygen drawn into the lungs and delivers it to the organs with blood. Changes in hemoglobin levels give very important information about general health. For this reason, hemoglobin values are also examined in blood tests for diagnosis of many diseases.