100PTSPLZ HURRY
What is the role of the excretory system?
What are the main structures of the excretory system?
What do each of the structures do?
How does the excretory system help us maintain homeostasis?

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Explanation:

The role is

The Excretory system is responsible for the elimination of wastes produced by homeostasis.

The main structures are

The kidneys, large intestine, liver, skin, and lungs. They are part of the urinary system, which also includes the ureters, bladder, and urethra.

Maintaining homeostasis

Excretion is the process of removing wastes and excess water from the body. It is one of the major ways the body maintains homeostasis. Organs of excretion make up the excretory system. ... The kidneys maintain homeostasis by controlling the amount of water, ions, and other substances in the blood.

ok yes, but what is the question? as soon as you ask the actual question i will answer it. : )