Jody Griffin, 34, Chesapeake, Virginia
Vincent Blake, 34, Seattle, Washington
The lymphatic system is an extensive network of vessels, nodes, and ducts that pass through almost all bodily tissues. It allows the circulation of a fluid called lymph through the body in a similar way to blood. This is essential for fluid balance, absorption of fatty acids in the stomach, and immune system regulation.
These nodes swell in response to infection due to a buildup of lymph fluid, bacteria, or other organisms and immune system cells.
Annabelle Lipton, 29, Glendale, Arizona
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