| white blood cell between red cells flow insice artery vein illustration | ||||||||||||||||||||||||||||||||||||||||
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| White blood cells are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders. All white blood cells are produced and derived from multi potent cells in the bone marrow known as onomatopoetic stem cells. Leukocytes are found throughout the body, including the blood and lymphatic system. | ||||||||||||||||||||||||||||||||||||||||
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