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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.
588 books
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52 friends
4,175 books
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86 friends
4,445 books
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147 friends
256 books
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49 friends
293 books
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40 friends
40 books
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3,880 friends
739 books
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45 friends
184 books
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25 friends
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