What is the primary function of the lymph vascular system?

The primary function of the lymph vascular system is to circulate lymph. Lymph is a clear fluid that plays a crucial role in the immune system by transporting white blood cells and other substances that help fight off infections and diseases. This system collects excess interstitial fluid from tissues, which helps maintain fluid balance within the body. The lymphatic vessels then transport this lymph fluid through a network of nodes, where it is filtered for pathogens and foreign substances.

While the lymph vascular system does contribute to the body's defense mechanisms, its main role is specifically related to the circulation of lymph, distinguishing it from other bodily systems that may be involved in blood circulation, nutrient transport, or directly protecting against infection. Understanding its primary function can help clarify how different systems in the body operate and contribute to overall health.