Immunity Crossword

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Across
  1. 3. Injecting a dead or weakened version of a pathogen into the body. Antibodies are produced in response
  2. 5. A substance that appears like the drug but does not impact the body.
  3. 8. Your body encounters the pathogen again but produces antibodies rapidly to avoid illness
  4. 9. An organism that does not cause disease itself but transfers pathogens from one organism to another
  5. 10. A virus spread by droplets of liquid from sneezes and coughs
Down
  1. 1. Produced by white blood cells. They lock onto the antigen before white blood cells destroy them.
  2. 2. When white blood cells engulf and digest a pathogen
  3. 4. Produced by white blood cells to bind to and neutralise toxins
  4. 6. Found on the surface of all cells, bacteria and viruses
  5. 7. A pathogen that lives inside your cells to replicate and burst out of the cell, releasing new viruses