List of protective human features
From Wikipedia, the free encyclopedia.

This is a list of human features that offer protection against disease.

• Skin
• Tears, Body oils, etc.
• Mucous membranes
• Stomach acids
• Helpful microorganisms
• Inflammation of the skin
• The immune system
• Immunity
  • Innate immunity
  • Active immunity
  • Passive immunity

The original article can be found at: http://en.wikipedia.org/wiki/List_of_protective_human_features.
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