The lymphatic system is a network of vessels and organs that helps maintain fluid balance in the body. It transports a clear fluid called lymph, which contains white blood cells that fight infections. This system plays a crucial role in the immune response, helping to protect the body from harmful pathogens. In addition to its immune functions, the lymphatic system also helps absorb fats and fat-soluble vitamins from the digestive system. It includes important structures like lymph nodes, spleen, and thymus, which work together to filter lymph and support overall health.