Immune System

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Across
  1. 3. helps to fight off infections and other diseases
  2. 5. to protect something
  3. 8. the introduction of antibodies from another person or animal
  4. 12. physical and chemical barriers against the disease or virus
  5. 15. the production of antibodies by the immune system in response to the presence of an antigen
  6. 16. after you get infected by a germ your immune system creates antibodies to it
  7. 18. cells in the immune system that focus on foreign particles
  8. 19. designed to protect humans/animals from infections caused by bacteria and viruses.
  9. 20. resistance that destroys invaders without targeting specific individuals/bacterium
Down
  1. 1. immune cells that target specific antigens
  2. 2. when bacteria grows a resistance to an antibody and the antibody cannot kill the bacteria off
  3. 4. protects your body from things such as bacteria that carries viruses and diseases
  4. 6. a type of white blood cell that makes antibodies
  5. 7. the reduction in effectiveness of a medication
  6. 9. the capability to resist harmful bacteria/organisms
  7. 10. the body is exposed to the disease in small amounts
  8. 11. energy-carrying molecule found in the cells of all living things
  9. 13. a protein used by the immune system to neutralize foreign objects such as bacteria and viruses
  10. 14. develop from stem cells in the bone marrow
  11. 17. the main type of cell that is found in the lymph