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

Their excretory system, or protonephridia, consists of two tubules connected to a highly branched tube system.

From Textbooks • Jun. 9, 2022

What is the “fight or flight” response, and what is its effect on the excretory system?

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

In winter and summer the bath must be our principal reliance for promoting that vigorous action of the excretory system which with healthy nutrition is our great aim in treating the patient.

From The Opium Habit by Day, Horace B.