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Sloan [31]
3 years ago
7

What do lymph nodes do? Why do they sometimes become swollen?

Health
2 answers:
-BARSIC- [3]3 years ago
8 0
I think lymph nodes produce white blood cells...so when you get sick, they produce many white blood cells to fight the bacteria or virus, and I assume they swell because they're over-producing white blood cells.
Lesechka [4]3 years ago
3 0
Lymph nodes act as the first defense for your immune system. When you are sick, they become enflamed which then becomes swollen.
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