Labels:text | screenshot | font OCR: Lymph nodes X Lymph nodes are bean-shaped swellings in your lymph vessels that filter and clean lymph fluid before it drains back into your blood. They also produce white blood cells. You have large clusters of lymph nodes in your neck, armpits, and groin. When you are sick your lymph nodes make extra white blood cells to help fight the disease. This can make them swell up.
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