Metabolic waste
Metabolic Waste
Metabolic waste (pronunciation: /mɛtəˈbɒlɪk weɪst/) is the term used to describe the by-products produced by the body's metabolic processes. These waste products are typically substances that the body cannot use and must be excreted.
Etymology
The term "metabolic" is derived from the Greek word "metabole" which means change, referring to the chemical reactions in a cell. "Waste" comes from the Old English "waste", meaning to waste away or to become emaciated.
Definition
Metabolic waste refers to the waste substances produced by the body's metabolism. These substances are typically excreted from the body through the urinary system, respiratory system, and digestive system. The main metabolic wastes include carbon dioxide, water, and nitrogenous compounds like urea and uric acid.
Types of Metabolic Waste
- Carbon Dioxide: Produced as a by-product of cellular respiration, a process in which cells use oxygen to break down glucose and produce energy.
- Water: Produced as a by-product of cellular respiration and other metabolic processes.
- Nitrogenous Compounds: These include urea and uric acid, which are produced as a result of the breakdown of proteins and nucleic acids.
Related Terms
- Excretion: The process by which metabolic wastes are eliminated from the body.
- Detoxification: The process of removing toxic substances from the body, including metabolic wastes.
- Homeostasis: The state of steady internal conditions maintained by living things, including the balance of metabolic waste production and excretion.
External links
- Medical encyclopedia article on Metabolic waste
- Wikipedia's article - Metabolic waste
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