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]

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.

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 the human …

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 kidneys, lungs, …

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 essential for …

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 as the breakdown …

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

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

Dec 3, 2025 · The physiological process by which an organism disposes of its nitrogenous by-products is called excretion. The mechanisms for that process constitute the excretory systems, particularly …

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 body, or to the …