
Excretion | Definition, Systems, Examples, Importance, & Facts
Dec 3, 2025 · Excretion is a general term referring to the separation and throwing off of waste materials or toxic substances from the cells and tissues of a plant or animal.
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]
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 …
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 …
Excretion | definition of excretion by Medical dictionary
Ordinarily, what is meant by excretion is defecation, the evacuation of feces. Technically, excretion can refer to the expulsion of any matter, whether from a single cell or from the entire …
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 …
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.
EXCRETION Definition & Meaning - Merriam-Webster
Dec 7, 2016 · The meaning of EXCRETION is the act or process of excreting. How to use excretion in a sentence.
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 …
Excretion: Definition, Types & Process in Biology - Vedantu
Excretion is the removal of unwanted and toxic metabolic waste products like urine and carbon dioxide. In contrast, secretion is the process where useful substances, such as hormones, …