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rewona [7]
3 years ago
15

PLEASE HELP!!!!

Health
2 answers:
Verizon [17]3 years ago
8 0
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.
katrin [286]3 years ago
8 0
B. physical barrier.
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