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Skin is a great barrier to invasion by microbes.

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12y ago
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13y ago

wear a mask to keep most of the microbes out of your body treating an open wound and taking antibiotics to help your antibodies.

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13y ago

stomach acids

symbiotic microorganisms already in the body

mucous membrane

perspiration

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14y ago

Skin, sweat, and tears are very effective measures that your body uses to protect itself from infection. The inflammatory response is another barrier.

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14y ago

broken skin

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11y ago

skin

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Q: What are the body's physical barriers to pathogen invasion?
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