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An individual was exposed to a contagious disease but did not become infected. The agent was unable to enter the body and grow because it was stopped by the person's skin. This is an example of how a __________ can prevent disease.

A.

chemical barrier

B.

physical barrier

C.

protective behavior

D.

medication

Verified Answer :

Kalahira

The answer is option B.



The skin is a physical
barrier, and as it, it plays an important role in order to prevent the
entrance of microbia to the body. For this reason, there is a very
little percentage of microorganisms that achieve to enter in our body, generally by food, mosquito bites, or injections.
Bphysical barrier.

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