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A member asked:
What exactly does it mean to have active lymph nodes?
A doctor has provided 1 answer
Monitoring Centers: The lymphatic system absorbs and carries things too big to go into the arteries and veins like bacteria eaten by white cells and digested food. A lymph node "tastes" the lymph to see if anything bad is there like bacteria, viruses, cancers, etc. When it detects a problem, it alerts the immune system and enlarges in response to the inflammation they create when they react. You can feel them then.
Answered 4/14/2020
5.1k views
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