immune system

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Across
  1. 3. our bodies gain in two ways
  2. 5. introduce microbes that are already killed or modified
  3. 8. the immune system helps to protect us against
  4. 9. trigger an immune response in the body
Down
  1. 1. immunity immunity when our bodies develop immunity over time through the immune system
  2. 2. these proteins are called
  3. 4. are also called lymphocytes these cells produce ant
  4. 6. immunity something that is passed down by the mom at birth
  5. 7. cell remember antigens that have already attacked the body
  6. 10. system is made up of specialized organs,cell,and tissues