The Immune System

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Across
  1. 5. y-shaped proteins that attack pathogens
  2. 8. make antibodies and destroy pathogens
  3. 10. virus or bacteria that can cause disease
  4. 11. protects the body against pathogens
  5. 12. disease caused by a virus; weakens immune system
Down
  1. 1. drugs used to fight bacterial infections
  2. 2. a type of allergy caused by dust
  3. 3. affects body's ability to control blood sugar
  4. 4. caused by an uncontrolled rate of cell division
  5. 6. protein "tag" that identifies a cell or virus
  6. 7. overreactions to a harmless substance
  7. 9. injection of dead or weakened pathogens