Lymphatic/Immune System Crossword Puzzle

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Across
  1. 2. a bacterium, virus, or other microorganism that can cause disease.
  2. 3. acquired immune deficiency syndrome
  3. 6. infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, susceptible host
  4. 9. An individual does not produce his or her own antibodies, but rather receives them directly from another source, such as mother to infant through breast milk
  5. 10. pathogen responsible for a specific infectious disease
  6. 11. a damaging immune response by the body to a substance, especially pollen, fur, a particular food, or dust, to which it has become hypersensitive.
  7. 15. the network of vessels through which lymph drains from the tissues into the blood.
  8. 17. Without treatment, ______ can lead to AIDS.
  9. 20. Cell created in the thymus that produce substances that attack infected cells in the body.
  10. 21. specific ways in which microorganisms travel from the reservoir to the susceptible host
  11. 23. Resistance to disease
  12. 24. first line of defense against pathogens
  13. 25. any body opening on an uninfected person that allows pathogens to enter
Down
  1. 1. any body opening on an infected person that allows pathogens to leave
  2. 4. a person likely to get an infection or disease, usually because body defenses are weak
  3. 5. substance prepared from killed or weakened pathogens and introduced into a body to produce immunity
  4. 7. the immunity that results from the production of antibodies by the immune system in response to the presence of an antigen.
  5. 8. A protein that acts against a specific antigen
  6. 12. A type of white blood cell that make antibodies to fight off infections
  7. 13. produces red and white blood cells and platelets
  8. 14. best way to prevent spread of disease
  9. 16. Site or carrier where pathogenic organisms lives; serves as a source from which other individuals can be infected.
  10. 18. The cells and tissues that recognize and attack foreign substances in the body
  11. 19. An organ that is part of the lymphatic system; it produces lymphocytes, filters the blood, stores blood cells, and destroys old blood cells.
  12. 22. A virus that attacks and destroys the human immune system, causes AIDS