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polet [3.4K]
3 years ago
13

Which system of our body is activated in response to infection and how it responds.?

Biology
1 answer:
djyliett [7]3 years ago
5 0
The immune system. It produces antibodies which fight the bacteria or virus that caused the infection
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Question 12:
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Hey there!

Number 3, "has more people than ever before" is correct. As there are more people, there is a greater need more resources.

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