BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS
LYMPH NODES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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All of the following are an example of a barrier defense except
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Skin
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Saliva
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Sweat
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Inflammation
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Explanation:
Detailed explanation-1: -The immune system’s three lines of defense include physical and chemical barriers, non-specific innate responses, and specific adaptive responses.
Detailed explanation-2: -Natural barriers include the skin, mucous membranes, tears, earwax, mucus, and stomach acid.
Detailed explanation-3: -Physical barriers include skin, mucus, digestive tract membranes, and traps of respiratory and urogenital which traps entering microorganisms. >
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