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4 Cards in this Set
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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 |
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what do antitoxins do? |
counteract toxins released by pathogens |
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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 |
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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 |