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TOPIC: Immunity AIM: What are some disorders of the immune system?

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Presentation on theme: "TOPIC: Immunity AIM: What are some disorders of the immune system?"— Presentation transcript:

1 TOPIC: Immunity AIM: What are some disorders of the immune system?

2 1. Allergies Noninfectious An immune response or reaction to substances you are allergic (sensitive) to

3 Allergen = what you are allergic to (pollen, dust, etc)

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6 Histamines produced (chemicals released by cells that cause symptoms)

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10 2. AIDS Acquired Immune Deficiency Syndrome (Infectious)

11 Caused by HIV (Human immunodeficiency virus)

12 Damages immune system by destroying T cells (body can’t fight off pathogens)

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14 How is HIV transmitted? 1. Contact with infected blood 2. Sharing intravenous needles 3. Sexual contact

15 3. Cancer Noninfectious Abnormal cells grow & divide uncontrollably May form tumors

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18 4. AUTOIMMUNE DISEASES Noninfectious Immune system attacks body's own cells

19 Example: Multiple Sclerosis Immune system damages nerve cell covering

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21 Rheumatoid Arthritis Rheumatoid Arthritis 3D Animation


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