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red blood cellsZoomA-Z

Subject - medicine

Red blood cells (erythrocytes) are oxygen- and carbon dioxide transporting, haemoglobin-containing, nucleus-free cells. Erythropoietin stimulates the formation and development of the erythrocytes in bone marrow (erythropoesis). After a lifetime of about 120 days they are degraded in the spleen. A healthy adult person has about 251012 red blood cells.

Women: 3.8-5.2106 erythrocytes/µL blood.

Men: 4.4-5.9106 erythrocytes/µL blood.

Total blood volume 4-6 litres.