Immunity Crossword

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