Which functions of the lymphatic system are not assisted by another system? Explain. Solution The functions of lymphatic system that are not assisted by another system is the transport of white blood cells containing lymph to all parts of the body.This function is carried out by the help of lymphatic vessels or ducts that are connected to lymph nodes to filter the lymph.The right lymphatic duct and the thoracic lymphatic duct together drain lymph to the right side of neck,head ,arm and to the circulatory system via left subclavian vein..