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  1. Excretion | Definition, Systems, Examples, Importance, & Facts

    Dec 3, 2025 · Excretion, the process by which animals rid themselves of waste products and of the nitrogenous by-products of metabolism. Through excretion organisms control osmotic …

  2. Excretion - Wikipedia

    Excretion is elimination of metabolic waste, which is an essential process in all organisms. In vertebrates, this is primarily carried out by the lungs, kidneys, and skin. [1]

  3. Excretion - Definition and Examples | Biology Dictionary

    Apr 17, 2019 · Excretion is the process that biological organisms use to expel or eliminate the waste products produced by their metabolisms.

  4. Excretion - Definition, Function, Types, Examples, Metabolites

    Nov 28, 2025 · Excretion is the biological process by which organisms eliminate metabolic wastes such as urea, ammonia, CO₂, excess water, and salts. Humans excrete waste through …

  5. Excretion Definition - General Biology I Key Term | Fiveable

    Excretion is the biological process through which animals eliminate waste products generated from metabolic activities. This process is essential for maintaining homeostasis, as it helps to …

  6. EXCRETION Definition & Meaning - Merriam-Webster

    : something eliminated by the process of excretion that is composed chiefly of urine or sweat in mammals including humans and of comparable materials in other animals, characteristically …

  7. What Is The Meaning Of Excretion In Science

    Mar 2, 2025 · Excretion involves the removal of waste and excess water, crucial for maintaining homeostasis in organisms. The excretory system includes the kidneys, large intestine, liver, …

  8. What is: Excretion - holistichealthpathways.com

    Sep 28, 2024 · What is Excretion? Excretion is a vital biological process through which organisms eliminate waste products generated from metabolic activities. This process is essential for …

  9. What is Excretion? | An Overview of Human Excretory System

    Jul 2, 2025 · Excretion can be defined as the process by which organisms eliminate metabolic waste products and other substances that are no longer needed by the body. All living …

  10. What is excretion in biology? - California Learning Resource …

    Nov 4, 2024 · Excretion is the removal of waste products or toxic substances from an organism’s body through the excretory organs or glands. This process is a natural response to the body’s …