The main organs of the excretory system are the __

They are Kidney, Ureters and Urinary bladders.

Explanation:

Primary excretory organs found in the human body are the kidneys,urinary bladder, ureters which involved with the creation and discharge of urine. By means of working together by these organs, much of the nitrogenous waste of the body, especially urea, is expelled.

The renal artery enters the kidney. It arises directly from the dorsal aorta and brings oxygenated blood containing excretory products. A narrow tube called ureter connects the kidney to tje urinary bladder where urine is expelled.

Kidney

Uterus

Urinary bladders

Explanation:

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the way that the mass of carbon can be conserved through cellular respiration is through a process/law called the law of conservation of mass which even tho it undergoes a process, mass is not be destroyed or changed

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