The subclavian trunks of the lymphatic system filter lymph from the upper limbs and upper external part of the thorax.
The lymphatic system is an open system and is a part of the immune system. It consists of lymphatic vessels, lymph nodes, lymphoid tissues, and organs.
The lymphatic system is responsible for the circulation of a clear fluid which is known as the lymph.
The lymph contains lymphocytes which help in fighting against infections and diseases. The lymphocytes are produced in the primary lymphoid organs which are the thymus and bone marrow.
The subclavian trunks are formed after the unification of the efferent vessels of the subclavicular groups.
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