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High School Biology: The Immune System and Disease - Immune System Diseases (Fill in the blank)
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High School Biology: The Immune System and Disease - Immune System Diseases (Fill in the blank)
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8 Questions

1. AIDS results from years of damage to the ____________ system by HIV.

2. HIV frequently mutates and changes its surface ____________.

3. HIV attacks cells of the immune system; specifically it infects and destroys ____________ cells.

4. Autoimmune diseases occur when the immune system fails to recognize the body’s own molecules as _______-_____.

5. ____________ occurs when the immune system is not working properly.

6. Any antigen that causes an allergy is called an ____________.

7. Ragweed and ____________ ivy are common causes of allergies.

8. Human immunodeficiency virus is the virus that causes ____________.

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