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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 Mammals excrete urine through the urinary system. Excretion is elimination of metabolic waste, which is an essential process in all organisms. In vertebrates, this is primarily carried …

  3. 16.2 Organs of Excretion – Human Biology

    16.2 Summary Excretion is the process of removing wastes and excess water from the body. It is an essential process in all living things and a major way the human body maintains …

  4. What Is Excretion? The Body’s Waste Removal System

    Nov 20, 2025 · Excretion is the process by which an organism removes the waste products generated by its metabolism. These wastes are chemical by-products of cellular activity, such …

  5. What Is Excretion? The Purpose and Process in the Body

    Excretion is a biological process that removes waste products from living organisms. These wastes are byproducts of metabolic activities within cells. Removing these substances is …

  6. 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 …

  7. 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.

  8. EXCRETION Definition & Meaning - Merriam-Webster

    The meaning of EXCRETION is the act or process of excreting. How to use excretion in a sentence.

  9. Excretion - Metabolites, Waste, Urine | Britannica

    Dec 3, 2025 · Excretion - Metabolites, Waste, Urine: The physiological process by which an organism disposes of its nitrogenous by-products is called excretion. The mechanisms for that …

  10. Excretion | definition of excretion by Medical dictionary

    excretion any elimination from an organism of unwanted materials, for example, carbon dioxide and nitrogenous substances produced in METABOLISM. It is worth noting that excretory …