immune system

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Across
  1. 4. an example of passive immunity
  2. 5. the body makes its own antibodies
  3. 7. the body memorizes a pathogen
Down
  1. 1. antibodies from another organism
  2. 2. capillary walls
  3. 3. a network of organs and chemicals
  4. 6. a disease that can be vaccinated for