Unformatted text preview: lymph organs, or to the cardiovascular system at the thoracic duct and right lymphatic duct. Lymph nodes are small irregularly shaped masses through which lymph vessels flow. Clusters of nodes occur in the armpits, groin, and neck. Cells of the immune system line channels through the nodes and attack bacteria and viruses traveling in the lymph....
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- Fall '10
- Biology, cardiovascular system, thoracic duct, lymph vessels