Cells at work! 3. 03 /
Cells at work! 3. 03 /
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Red Blood Cell determines to go through one circulatory cycle without needing help from any other cell--fortunately, even if she doesn't need them, cells like Killer T Cell and Helper T Cell, as well as White Blood Cell, are always ready. The common cold strikes, and then White Blood Cell has to figure out how to deal with acne.
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