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Debora [2.8K]
3 years ago
15

What is our first defense against germs and bacteria?

History
1 answer:
Goryan [66]3 years ago
5 0

Answer:

skin, tears and mucus are part of the first line of defence in fighting infection. They help to protect us against invading pathogens. You have beneficial bacteria growing on your skin, in your bowel and other places in the body (such as the mouth and the gut) that stop other harmful bacteria from taking over.

Explanation:

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Detail:

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