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).
Lymph Nodes. Lymph nodes are found throughout the body associated with the lymphatic vessels, and function to filter the lymph. lymph nodes are surrounded by a connective tissue capsule and are usually found embedded in fat.ymph Nodes. Lymph nodes are found throughout the body associated with the lymphatic vessels, and function to filter the lymph. lymph nodes are surrounded by a connective tissue capsule and are usually found embedded in fat.