Renita11 Renita11
  • 19-11-2020
  • Biology
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Which structures are part of the body's first line of defense against pathogens?

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sarobar
sarobar sarobar
  • 19-11-2020

Answer:

Skin, tears and mucus are part of the first line of defence in fighting infection. They help to protect us against invading pathogens.

Explanation:

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