chapter 13

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Across
  1. 2. what type of immunity is vertebrates only
  2. 3. what cells "record" information to fight pathogens if it comes back
  3. 9. helper t calls are known as the _____ of the immune system
  4. 11. what cells activity secrete antibodies
  5. 13. killed cell or inactive virus ex. flu vaccine
  6. 14. what kind of immunity os a person given antibodies rather than producing them
  7. 15. what type of immunity is all animals
Down
  1. 1. who thought we would use cowpox to prevent smallpox
  2. 4. smallest type of WBC
  3. 5. what is a example of a internal defense
  4. 6. live attenuated cells or viruses
  5. 7. what kind of immunity is exposure to a pathogen triggering a antibody production
  6. 8. what kind of immunization is treating a patient with antibodies against a particular pathogen for immediate effect against pathogen
  7. 10. substances that can elicit a response from a B or T cell
  8. 12. what is a example of a barrier defense?