agrockJe8ssa agrockJe8ssa
  • 10-03-2017
  • Health
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What defenses does your body have that can prevent you from getting sick, even when you have been exposed to a pathogen?

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lilsanti8910
lilsanti8910 lilsanti8910
  • 10-03-2017
The body has many defense mechanisms the human body has to prevent illness or infection. Your skin is unable to be penetrated by bacteria and viruses.You have hair on your nose to prevent foreign object from coming in
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