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urinary system summary

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Study the anatomy of the renal system

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Below is the article summary. For the full article, see renal system.
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excretion Summary
Excretion, the process by which animals rid themselves of waste products and of the nitrogenous by-products of metabolism. Through excretion organisms control osmotic pressure—the balance between inorganic ions and water—and maintain acid-base balance. The process thus promotes homeostasis, the