White blood cells help to protect the body from disease. About two-thirds of white blood cells are phagocytes, which defend the body by eating up invading germs. The remaining white cells are lymphocytes. They produce chemicals called antibodies, which destroy harmful germs. White blood cells are much larger than red blood cells, but they are far fewer in number (approximately 1:600).
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White blood cells help to protect the body from disease. About two-thirds of white blood cells are phagocytes, which defend the body by eating up invading germs. The remaining white cells are lymphocytes. They produce chemicals called antibodies, which destroy harmful germs. White blood cells are much larger than red blood cells, but they are far fewer in number (approximately 1:600).