What defense mechanism helps to resist the invasion of infectious agents once they enter the body but when weakened increases the risk of infection

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asked Apr 6, 2021 135k views

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David Hunt · Answer 1 · 2021-04-10T11:09:00+0000

Answer:Natural barriers and the immune system defend the body against organisms that can cause infection. (See also Lines of Defense.) Natural barriers include the skin, mucous membranes, tears, earwax, mucus, and stomach acid.

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What defense mechanism helps to resist the invasion of infectious agents once they enter the body but when weakened increases the risk of infection

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