The lymphatic system is the name given to a set of anatomical parts, belonging to the circulatory system, responsible for conducting the lymph in a single direction towards the heart, it is made up of the lymphoid organs, lymph nodes and a set of ducts called vessels lymphatics, which are responsible for connecting the structures described above with each other and also with the circulation of the body in general, other structures that make it up are the thymus bone marrow, spleen, Peyer's patches, among others. Its distribution includes almost the entire body, with the exception of the central nervous system, it is linked to the immune system.
This system is responsible for interceding in the process of collecting various substances and liquids, which are accumulated in the different tissues of the body, in addition to this, it is responsible for mobilizing the cells belonging to the immune system to the places where they are needed. Another of its functions is to drain the accumulation of substances in the tissues, which can be produced by different factors, among which are infections, blows, venous insufficiency and inflations, these substances are transferred back to the circulation of the veins to be filtered by the kidneys and then excreted through urine.
Lymph is the name given to the substance found within the lymphatic system, it has a yellowish hue very similar to what is the blood plasma, its composition is made up of water, immune cells, such as lymphocytes and some proteins.
The structures that make up this system are the lymph nodes, located throughout the lymphatic vessels.These are like a kind of filters located in groups located generally in the region of the neck, abdomen, armpits and internally in the vena cava and the aorta artery. The tonsils meanwhile this location is merely strategic, since in this area it is responsible for defending the body from foreign substances that enter the body through the nostrils and mouth. For its part, the thymus, an organ that is located at the back of the sternum, fulfills the important function of maturing T lymphocytes. Finally, the spleen, is the one located inside the abdominal cavity, it is responsible for eliminating old blood cells in addition to serve as a repository of blood.