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Your Immune System

28 minutes

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The body's best offense against microorganisms is its immune system. But what is it and how does it work? Why does it sometimes work against us? Discusses the non-specific (skin, tears, saliva, mucus, stomach acid) and specific (lymphatic system, spleen, thymus, bone marrow) defenses that keeps us healthy. Describes some autoimmune diseases and various marrow-produced cells.

Media Details

Runtime: 28 minutes

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