The lymphatic system isan extensive network of vessels, nodes, and ductsthat pass through almost all bodily tissues. It allows The circulation of a fluidcalled lymph through the body in a similar way to blood. This is essential forfluid balance,absorption of fatty acids in the stomach, andimmune system regulation. Thesenodes swellin response to infection due to a buildup of lymph fluid, bacteria, or other organisms and immune system cells. Understanding The lymphatic systemprovides insights into the bodys profound ability to care for itself.Its functions are as follows: Many conditions can affect the vessels, glands, and organs that make up the lymphatic system. Some happen during development before birth or during childhood. Others develop as a result of disease or injury. Some common and less common diseases and disorders of the lymphatic system include: Negative ions increase the permeability of the cell membrane which facilitates the absorption of tissue fluid into lymph vessels. Therefore prevent the blockage of the lymphatic system.