Immune System Crossword

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Across
  1. 2. This cell produces antibodies.
  2. 5. It’s your body’s suit of armor that fights germs and other viruses.
  3. 8. This allows T and B cells to multiply faster.
  4. 9. This is when the immune system overreacts to antigens that are not harmful.
  5. 10. Contains white blood cells.
Down
  1. 1. This is the organ located behind the breastbone and is where T-cells mature.
  2. 2. Produces white blood cells.
  3. 3. This is a protein which attaches to specific pathogens.
  4. 4. These are structures where cells that fight infections are stored.
  5. 6. This cell eats pathogens.
  6. 7. This cell activates killer T-cells and B-cells.