
Excretion | Definition, Systems, Examples, Importance ...
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]
16.2 Organs of Excretion – Human Biology
Some human body wastes are gases, some are solids, and some are in a liquid state. Getting rid of body wastes is called excretion, and there are a number of different organs of excretion in …
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, 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 …
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.
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 …