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Excretory System

What is the main function of the excretory system? filter out cellular wastes, toxins, and excess water
What is excretion? the process of removing wastes
What are the MAIN organs of the excretory system? kidneys
What organs make up the excretory system? kidneys, ureters, the bladder, and the urethra
What do the kidneys do? remove waste by filtering the blood, the wastes are eliminated from the body as urine
What is urea? the nitrogen waste made when the body digests protein (meat)
What is urine? liquid waste made up of urea, salts, and water
What are ureters? the tubes that connect each kidney to the bladder; there are 2 of them, one from each kidney
What is the bladder? a sac-like muscular organ which stores urine until it is released from the body
What is the urethra? the tube through which urine passes before it is removed from the body (carries urine out of the body)
Created by: science7th



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