- Physiology
Most animals have excretory systems for elimination of soluble toxic wastes. In humans, soluble wastes are … See more
Urine - Wikipedia
Urine is a liquid by-product of metabolism in humans and in many other animals. In placental mammals, urine flows from the kidneys through the ureters to the urinary bladder and is ejected from the penis or vulva through the urethra during urination. In other vertebrates, urine is excreted through the cloaca. Urine contains water-soluble by-products of cellular me… See more
How Urine is Produced in the BodyUrine is a liquid waste product of the body that contains dissolved substances such as salts, toxins, and hormones. It is produced by the kidneys, which are bean-shaped organs located in the lower back.CharacteristicsAverage urine production in adult humans is around 1.4 L (0.31 imp gal; 0.37 US gal) of urine per person per day with a normal range of 0.6 to 2.6 L (0.13 to 0.57 imp gal; 0.16 to 0.69 US gal) per person per day, produced i… See more
Examination for medical purposesMany physicians in ancient history resorted to the inspection and examination of the urine of their patients. Hermogenes wrote about the color and other attributes of urine as indicators of certain diseases. Abdul Malik Ibn H… See more
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- Human urine consists primarily of water (91% to 96%), with organic solutes including urea, creatinine, uric acid, and trace amounts of enzymes, carbohydrates, hormones, fatty acids, pigments, and mucins, and inorganic ions such as sodium (Na +), potassium (K +), chloride (Cl -), magnesium (Mg 2+), calcium (Ca 2+), ammonium (NH 4+), sulfates (SO 42-), and phosphates (e.g., PO 43-)1. Urine also contains proteins, hormones, and a wide range of metabolites, varying by what is introduced into the body2. Urochrome, a pigmented product of blood breakdown, gives urine its typically yellowish color3.Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.Human urine consists primarily of water (91% to 96%), with organic solutes including urea, creatinine, uric acid, and trace amounts of enzymes, carbohydrates, hormones, fatty acids, pigments, and mucins, and inorganic ions such as sodium (Na +), potassium (K +), chloride (Cl -), magnesium (Mg 2+), calcium (Ca 2+), ammonium (NH 4+), sulfates (SO 42-), and phosphates (e.g., PO 43-).www.thoughtco.com/the-chemical-composition-of-u…About 91–96% of urine consists of water. The remainder can be broadly characterized into inorganic salts, urea, organic compounds, and organic ammonium salts. Urine also contains proteins, hormones, and a wide range of metabolites, varying by what is introduced into the body. [citation needed]en.wikipedia.org/wiki/Urine
It consists of water, urea (from amino acid metabolism), inorganic salts, creatinine, ammonia, and pigmented products of blood breakdown, one of which (urochrome) gives urine its typically yellowish colour.
www.britannica.com/science/urine - People also ask
What Is the Chemical Composition of Urine? - ThoughtCo
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Urine color chart: Healthy colors and when to seek help
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Urine | Definition, Composition, & Facts | Britannica
WEBAug 5, 2024 · urine, liquid or semisolid solution of metabolic wastes and certain other, often toxic, substances that the excretory organs withdraw from the circulatory fluids and expel from the body. The composition of …
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WEBThe urinary tract is the body’s drainage system for removing urine, which is made up of wastes and extra fluid. For normal urination to occur, all body parts in the urinary tract need to work together, and in the correct order. …
Urine and Urination | Urine | MedlinePlus
WEBMay 10, 2021 · Learn about urine, its composition, functions, and problems. Find out how urine is made, stored, and eliminated by the urinary system.
Anatomy of the Urinary System | Johns Hopkins …
WEBThe urinary system's function is to filter blood and create urine as a waste by-product. The organs of the urinary system include the kidneys, renal pelvis, ureters, bladder and urethra. The body takes nutrients …
24.4B: Chemical Composition of Urine - Medicine LibreTexts
WEBJan 17, 2023 · Urine is a liquid by-product of the body secreted by the kidneys through a process called urination and excreted through the urethra. Urine is an aqueous solution …
Urinary System: Facts, Functions & Diseases | Live …
WEBMar 7, 2018 · The bladder is a hollow, balloon-shaped organ that is located in the pelvis. It is held in place by ligaments attached to other organs and the pelvic bones, according to the Kidney & Urology...
What's in Urine? 3,000 Chemicals and Counting | Live …
WEBSep 5, 2013 · Scientists have laid out the entire chemical composition of human urine, revealing that more than 3,000 compounds are found in the fluid, and have published it all in an online database.
What Your Urine Says About Your Health: Color, Odor, and More
WEBMar 9, 2024 · 1. Forty percent of people can smell a change in urine after they eat asparagus, sometimes called “asparagus pee.” [ 2] Dehydration can produce an …
Urine Composition: What’s Normal? - News-Medical.net
WEBJan 10, 2023 · Urine is a liquid waste material produced in and excreted by the body. Secreted by the renal tubules, it accumulates in the urinary bladder and is excreted via …
29.8: Urine Composition and Function - Chemistry LibreTexts
WEBUrine is a liquid by-product of the body secreted by the kidneys through a process called urination and excreted through the urethra. It is an aqueous solution of greater than 95% …
Urologist answers nine questions about urine - HSC News
WEBApr 4, 2017 · What exactly is in urine? What’s it composed of? The function of our kidneys is to filter the blood and eliminate waste from our body. Urine is a body fluid produced by …
What Normal (and Abnormal) Urine Test Results Reveal - Healthline
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9 Fascinating Facts About Urine | Mental Floss
WEBMay 17, 2021 · Normal human urine is about 95 percent water and presents a very appealing target for recycling—especially where potable water is scarce, like the …
Urine color - Symptoms and causes - Mayo Clinic
WEBJan 10, 2023 · Regular urine color ranges from clear to pale yellow. But certain things can change the color. Foods such as beets, blackberries and fava beans can turn urine pink …
Urine pH: Normal ranges and what they mean - Medical News …
WEBJun 19, 2024 · Urine is usually slightly acidic, with a pH range of 4.0 to 8.0. It is more difficult for bacteria to survive in urine with a pH less than 5.0. However, even if the urine …
Urinary tract infection (UTI) - Symptoms and causes - Mayo Clinic
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Is It Safe to Drink Your Urine? | Poison Control
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Is Drinking Urine Good for You? Benefits, Risks, and More
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What Is A Normal Urine Output? - Ben's Natural Health
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Leukocytes in Urine: Normal Range and High Levels - Verywell …
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'Wabi' Edo period Japanese fireworks sourced nitrates from …
WEBBecause nitrogen is also found in the urea in human urine, in the Satsuma Domain in what is now Kagoshima Prefecture, urine was reportedly also used for explosive ingredients. …
Do Olympic swimmers pee in the pool? – NBC New York
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Evaluation of two core–shell (Ag - RSC Publishing
WEBChemical sensors for the determination of uric acid (UA) in human urine samples have been developed using a composite material based on two core–shells (Ag2S@- and …
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