Immune system

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Across
  1. 3. The body's ability to destroy pathogens before they can cause disease.
  2. 4. Disease causing agent
  3. 6. Lymphocytes that produce proteins that help destroy pathogens.
  4. 7. The proteins produced by B Cells.
  5. 8. A cell that identifies pathogens and distinguishes different pathogens from each other.
  6. 9. The body's first line of defense against pathogens
  7. 11. white blood cells
Down
  1. 1. The process by which harmless antigens are purposefully introduced to a person's body to produce active immunity.
  2. 2. The molecules that the immune system recognizes as coming from outside the body.
  3. 5. A disorder in which the immune system is overly sensitive to a foreign substance.
  4. 7. A chemical that kills bacteria or slows their growth without harming cells.
  5. 10. Produces Lymphocytes