What is the most important purpose of the excretory system?

The excretory system is the system of an organism's body that performs the function of excretion, the bodily process of discharging wastes. ... by the kidney's circadian clock have an important effect on the levels of various amino acids, lipids, and other components of blood in the body, say researchers. In ... read more

Quick Answer. The excretory system is a collection of organs tasked with removing excess nitrogen and other toxins from the body. The kidneys, liver and large intestine perform most of the filtration duties. Solid waste passes out through the colon, gaseous waste exits the body through the lungs and excess liquid leaves through the bladder and skin. read more

The excretory system is a passive biological system that removes excess, unnecessary materials from the body fluids of an organism, so as to help maintain internal chemical homeostasis and prevent damage to the body. read more

The Excretory system is responsible for the elimination of wastes produced by homeostasis. There are several parts of the body that are involved in this process, such as sweat glands, the liver, the lungs and the kidney system. Every human has two kidneys. read more