excretory system

Cultural  

1. The systems that excrete wastes from the body. For example, the system of organs that regulates the amount of water in the body and filters and eliminates from the blood the wastes produced by metabolism. The principal organs of the excretory system are the kidneys, ureters, urethra, and urinary bladder.

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Example Sentences

Based on these findings, how may the excretory system of one of the terrestrial organisms listed above change if it evolved to spend most of its time in water?

From Textbooks • Jun. 9, 2022

There is no excretory system or organs, and nitrogenous wastes simply diffuse from the cells into the water outside the animal or in the gastrovascular cavity.

From Textbooks • Jan. 1, 2015

It was like having a ticking time bomb lodged in your excretory system.

From Salon • Sep. 16, 2013

They lack circulatory and respiratory systems, and have a rudimentary excretory system.

From Textbooks • Apr. 25, 2013

Thus a cause is seen for excreting fluids by motor action of bowels, when supplied by the excretory system.

From Philosophy of Osteopathy by Still, A. T. (Andrew Taylor)