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    1.Name and describe 3 ways the human body defends against the entry of pathogens
    2.draw a seriris of picture to show how white blood cell carry out phagocytosis.
    3.what is an antigen?
    4.why will the antibody produced for measles not be effective in other diseases
    5.why are dead or inactive pathogens used in a vaccine?
    6.what happens if the live pathogen invades the body after being vaccinated?
    7.what is an antibiotic and what is it used for?
    8.why is there a growing concern about bacterial resistance to antibiotics?
    9.which one of these stamen is true?
    _painkillers are used to treat the symptoms of a disease and kill the pathogens which cause it.
    _painkillers are used to kill the pathogens causing a disease.
    _painkillers are used to threat the symptoms of a disease but do not kill the pathogens
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    I think the third one’s corrects on the 9th question
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