The symptoms of flu usually develop within one to three days of becoming infected. Most people will feel better within a week. However, you may have a lingering cough and still feel very tired for a further couple of weeks. Flu can give you any of the following symptoms: a sudden fever â a temperature of 38C (100.4F) or above.
The lymphatic system has three functions: 1  The removal of excess fluids from body tissues. 2  This process is crucial because water, proteins, and other substances are continuously leaking out of tiny blood capillaries into the surrounding body tissues. Absorption of fatty acids and subsequent transport of fat, chyle, to the circulatory system. 2  Production of immune cells (such as lymphocytes, monocytes, and antibody producing cells called plasma cells).
The lymphatic system has three functions: 1  The removal of excess fluids from body tissues. 2  Absorption of fatty acids and subsequent transport of fat, chyle, to the circulatory system. 3  Production of immune cells (such as lymphocytes, monocytes, and antibody producing cells called plasma cells).he lymphatic system plays an integral role in the immune functions of the body. It is the first line of defense against disease. This network of vessels and nodes transports and filters lymph fluid containing antibodies and lymphocytes (good) and bacteria (bad).