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What is the immune system designed to do

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The immune system protects the body against disease or other potential damaging foreign bodies that may enter. It identifies and attacks a variety of threats including viruses, bacteria, and parasites while distinguishing them from the body’s own healthy tissue.
User Dier
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Answer:

Step-by-step explanation:

To fight against new invasion disease . Antigen play a big role

User Artjom Kurapov
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