What are lymph nodes and why do they swell?

Where are the nodes? What is the function of these lymph nodes? Watch this descriptive video to gain the answers to these important questions.

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Channels: Scientific Animations Biochemistry

Tags: lymph node

Uploaded by: ( Send Message ) on 10-02-2013. Dnatube suggest users to have interest in drug testing, mesothelioma, insurance, medical lawyers.

Duration: 1m 39s

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