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- nounexcretion (noun) · excretions (plural noun)Originearly 17th century: from French excrétion or Latin excretio(n-), from excernere ‘sift out’ (see excrete).
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- Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.Excretion is the process that biological organisms use to expel or eliminate the waste products produced by their metabolisms. In order for cells to survive, they need to perform certain biochemical reactions, as these reactions take place, some byproducts are formed which can be toxic or lethal to the cells if they are allowed to accumulate.biologydictionary.net/excretion/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.www.britannica.com/science/excretionThe elimination by an organism of waste products that result from metabolic processes. In plants, waste is minimal and is eliminated primarily by diffusion to the outside environment. Animals have specific organs of excretion.www.dictionary.com/browse/excretion
Excretion - Definition and Examples - Biology Dictionary
In unicellular organisms, excretion is quite simple. Most unicellular organisms feed through the process of phagocytosis, during which the cell membrane is folded inward to create a food vesicle. This membrane-bound package is taken into the cytoplasm of the cell, where digestive enzymes are introduced. Once the … See more
While excretion does not change at the cellular level necessarily, most multicellular organisms require additional means of excretion. Some small multicellular organisms simply excrete substances through their skin, allowing them to diffuse away … See more
Plants also undergo the process of excretion. Simple, small plants excrete wastes over the surfaces of their cells. Larger, vascular plants have developed methods of excretion … See more
Excretion | Definition, Systems, Examples, Importance, & Facts
excretion, the process by which animals rid themselves of waste products and of the nitrogenous by-products of metabolism. Through excretion organisms control osmotic …
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. This is in contrast with secretion, where the substance may have specific tasks after leaving the cell. For example, placental mammals expel urine from the bladder through the urethra, which is part of the excretory system. Unicellular organisms discharge waste products directly through the surface of the cell.
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Excretion | definition of excretion by Medical dictionary
1. the act, process, or function of excreting. Ordinarily, what is meant by excretion is defecation, the evacuation of feces. Technically, excretion can refer to the expulsion of any matter, …
Excretion Definition - Discover the Meaning of Excretion - BYJU'S
Oct 7, 2020 · Excretion Definition. Excretion, in biology, is the process by which organisms expels metabolic waste products and other toxic substances from their body. Excretion …
Excretory System: Organs, Function & Definition
Jun 2, 2024 · The excretory system is a system of organs that eliminates waste products from the body. The system consists of the kidneys, ureters, bladder, and urethra. The kidneys filter the blood and remove waste products and …
Excretory System - The Definitive Guide | Biology …
Jan 15, 2021 · The excretory system consists of organs which remove metabolic wastes and toxins from the body. In humans, this includes the removal of urea from the bloodstream and other wastes produced by the body. The removal of …
EXCRETION | English meaning - Cambridge Dictionary
the process of getting rid of material such as solid waste or urine from the body: Excretion is one of several activities common to both plants and animals. Eating too much salt causes the …
Excretion Definition & Meaning - Merriam-Webster
1. : the act or process of excreting. 2. : something excreted. especially : metabolic waste products (such as urea and carbon dioxide) that are eliminated from the body. Examples of …
Excretion and Its Importance | Definition and Mechanism of
Excretion is defined as the process of discharging waste matter from an organism. Every organism has metabolic waste generated in its body. The process of elimination of such waste …
Secretion vs. Excretion – What’s the Difference?
Is it secretion or excretion? Secretion and excretion each refer to the production of substances by organs or tissues in the body. Secretion refers to the production of many substances that …
Excretion in Animals - Modes of Excretion and Excretory Wastes
On the contrary, excretion is the process where metabolic wastes are eliminated from an organism. In humans, this function is performed through the kidneys, lungs and skin. In …
Chapter 16 Answers: Excretory System – Human Biology
What is excretion, and what is its significance? 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 …
Excretions | definition of excretions 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 …
Physiology of Excretion Through Kidney - Biology Reader
Excretion is a mechanism of eliminating metabolic wastes from the body, while egestion is the process that removes the digestive waste or undigested food. Metabolic wastes include …
What is meant by excretion? Explain the process of formation of …
Feb 25, 2022 · Best answer. Excretion: Excretion is a biological process involved in separation and removal of toxic wastes from the body. Formation of urine involves four …
EXCRETION | definition in the Cambridge English Dictionary
the process of getting rid of material such as solid waste or urine from the body: Excretion is one of several activities common to both plants and animals. Eating too much salt causes the …
Difference Between Egestion And Excretion are explained in …
The materials discharged during the process of Egestion are undigested matter leftover from the process of digestion. Excretion, on the other hand, discharges metabolic waste products. This …
Absorption, Distribution, Metabolism and Excretion of Drug
Apr 17, 2024 · Excretion is the removal of the original drug molecule or its metabolites from the body. Collectively the term elimination is used for the process of metabolism and …
What Is Excretion? Video & Resources | ClickView
Learn about excretion, the process of removing waste products. introduction. Resources (1) Resource. Teacher Pack. Teacher Pack. Video details. Description. All living things need to …
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