Immune System

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Across
  1. 3. when a person is given antibodies to a disease rather than producing them through his or her own immune system
  2. 5. A protein produced by the body's immune system when it detects harmful substances
  3. 7. A mean by which the body is given immunity to a disease by intentional exposure to small quantities of it
  4. 8. A group of cells, tissues and organs that work together to protect the body
  5. 11. A type of blood cell that is made in the bone marrow and found in the blood and lymph tissue
  6. 12. Any substance that causes the body to make an immune response against that substance
  7. 16. Type of cell that has the ability to ingest, and sometimes digest, foreign particles, such as bacteria, carbon, dust, or dye
  8. 18. A type of white blood cell that surrounds and kills microorganisms, removes dead cells, and stimulates the action of other immune system cells.
  9. 19. Physical and chemical barriers that are always ready and prepared to defend the body from infection
  10. 21. Immunity that an organism is born with
Down
  1. 1. When germs like bacteria and fungi develop the ability to defeat the drugs designed to kill them
  2. 2. A type of immune cell that is made in the bone marrow and is found in the blood and in lymph tissue
  3. 4. A complex network of cells, tissues, organs, and the substances they make that helps the body fight infections and other diseases
  4. 6. A cell that is part of the immune system and helps the body fight infections and other diseases
  5. 9. The reaction of the body in response to the presence of a foreign substance
  6. 10. The type of cells that produce antibodies to fight bacteria and viruses
  7. 13. A type of white blood cell that is of key importance to the immune system and is at the core of adaptive immunity, the system that tailors the body's immune response to specific pathogens
  8. 14. When exposure to a disease organism triggers the immune system to produce antibodies to that disease
  9. 15. Disease-fighting system. pathogen with a defense targeted specifically at that pathogen
  10. 17. Mediated by antibody molecules that are secreted by plasma cells
  11. 20. Capable of evoking an immune response against a specific antigen thereby making the individual immune to it and protected from contracting the disease