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4 Cards in this Set

  • Front
  • Back

what are the first defense barriers of these body parts and how do they help?


-ear


-nose


-eyes


-skin


-trachea and brochi


-stomach


how do phagocytes help?

-ear wax(sticky, traps pathogens)


-mucus


scabs(blood clots to form a scab)


-cilliated cells with mucus


-tears(have anti bac agent)


-stomach(acid)


-surround, engulfpathogens and produce enzymes to digest bacterium

what do antitoxins do?

counteract toxins released by pathogens

how do vaccinations prevent disease?

they insert a dead/weakened version of the pathogen into the blood and the white blood cells produce antibodies to protect the body against the disease

how do white blood cells fight the disease inserted into the body?

the immune system has memory cells which store info about how to make the right antibody in case you are infected with the disease