No, it is false. Cells of the lymphatic system does not secrete antigens in an attempt to neutralize and remove abnormal substances in the body, such as bacteria and viruses.
When an abnormal substance such as a bacterium or virus is present in the body, the lymphatic system mounts a defense against the antigen, and some cells produce antibodies in response.
The Lymphatic System or Lymphoid System is an organ system in vertebrates that is part of the immune system and complements the circulatory system.
It consists of lymphatic vessels, lymph nodes, lymphatic or lymphoid organs, and a large network of lymphoid tissues. Blood vessels carry a clear fluid called lymph back to the heart for recirculation.
Unlike the circulatory system, which is a closed system, the lymphatic system is an open system. The human circulatory system processes an average of 20 litres of blood per day by capillary filtration, which removes plasma from the blood.
About 17 litres of filtered blood is reabsorbed directly into the blood vessels, leaving the remaining 3 litres in the interstitial fluid. One of the main functions of the lymphatic system is to provide an additional return path to the blood for the extra 3 litres.
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