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Hemoglobin is abbreviated as Hb is protein in nature, in which four pyrrol rings are attached with iron. Hemoglobin is found in red blood cells, and the basic function of Hemoglobin is transport of oxygen from lungs to tissue and collect carbon dioxide from tissue to lungs. It is also known as oxygen carrier, and with the help of oxygen the metabolic process done in our body and energy is produced.

The Hemoglobin is also found in outside the red blood cells where he can not bind with oxygen, he involved in metabolic activity of the iron.

Hemoglobin also found in invertebrates, fungi, plants, where he does same process of transports of gasses like oxygen and carbon dioxide in the body from one part to another. When Hemoglobin is combining with oxygen then he make oxyhemoglobin.  And deoxyhemoglobin is formed when Hemoglobin is not in the combine with oxygen. Deoxyhemoglobin and oxyhemoglobin are running side to side some time it is oxyhemoglobin and some time it is deoxyhemoglobin.

The deficiency of Hemoglobin cause the disease called as anemia. In which lesser amount of oxygen is transported in the body. Mostly defecency of Hemoglobin is cause due to loss of blood, liver problem, kidney failure, bone marrow problem and due to malnutrition. And its level increase in too much smoking and in tumor.

 Normal levels of Hemoglobin:

  1. Men: - 13.8 to 18.0 g/dL (138 to 180 g/L).
  2. Women: - 12.1 to 15.1 g/dL (121 to 151 g/L).
  3. Children:- 11 to 16 g/dL (111 to 160 g/L)
  4. Pregnant women: - 11 to 14 g/dL (110 to 140 g/L)

 There are different methods use to check the Hemoglobin  level in the body.


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