Biology 11: Immune System and Disease Worksheets

Labeling a Diagram: In the diagram of the human lymphatic system, label the five structures to which arrows point. Immune System Diseases: True or False . Inflammation of the skin can result from a bee sting. An allergen is any antigen that causes an allergic reaction in a sensitive person. A person is either allergic to many antigens, or to none. ................
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