Description : Why is the nitrogenous liquid excretory organ called the main excretory organ ?
Last Answer : Excretion refers to the system of excretion of body wastes. The system that helps in excretion is called excretory system. As a result of metabolism, pollutants like water , carbon dioxide ... of nitrogenous wastes. Therefore, the nitrogenous fluid-releasing organ is called the main excretory organ.