deffination of immunity?

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  • 1 decade ago
    Favorite Answer

    Immumunity is the abilty of the body to defend itself from infection.

    Two categories:

    Innate immunity - immunity we are born with and does not change over the lifetime eg acid in stomach to kill ingested pathogens, lysozyme in tears etc.

    Acquired immunity - depends on the acquiring of specific antibodies against infections. This can be Active, when the individual makes the antibodies themselves, or Passive, when the antibodies are received ready made from mother during pregnancy or in breastmilk or received by injection.

    Hope this helps!

  • 1 decade ago

    the ability of a body to defend itself against foreign particles/ specimens

  • 1 decade ago

    google

    define: immunity

    duh

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