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| Description: Lymphocytes are able to live for years while most other blood cells live for hours, days, or weeks. The number of red blood cells and platelets remains rather steady while that of white blood cells varies depending on invading pathogens and other foreign antigens. The process of producing blood cells is hemopoiesis (hematopoiesis). Pluripotent stem cells differentiate into each of the different types of blood cells. Picture Stats: Views: 171 Filesize: 606.61kB Height: 896 Width: 1090 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=40770 |