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Activation usually begins with an initial exposure of immune cells to intruders, like bacteria, or danger signals, like the insides of dead cells. For example, Macrophages get activated when they notice an enemy and release cytokines that
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Greg’s 2025 Year in Books
Take a look at Greg’s Year in Books, including some fun facts about their reading.
4,253 books
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147 friends
729 books
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45 friends
43 books
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3,890 friends
3,987 books
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86 friends
235 books
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49 friends
280 books
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40 friends
633 books
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24 friends
276 books
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19 friends
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