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  1. Urine - Wikipedia

    Urine is a liquid by-product of metabolism in humans and many other animals. In placental mammals, urine flows from the kidneys through the ureters to the urinary bladder and exits the …

  2. Urine: Urination, Composition, Production, Color & Odor

    Jan 14, 2025 · Urine is liquid waste that your kidneys make to remove excess fluids and waste products from your body. It mostly consists of water, but it also contains waste products, salt …

  3. Urine color - Symptoms and causes - Mayo Clinic

    Jan 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 or red, for …

  4. Urine color chart: Healthy colors and when to seek help

    Apr 9, 2025 · Some urine color changes may be a sign of an infection or a problem with the liver or kidneys. This article looks at what different urine colors may mean and when to contact a …

  5. What Your Urine Says About Your Health: Color, Odor, and More

    Mar 9, 2024 · The color, odor, density, and frequency of your urine can tell you a lot about your health, as can the presence of proteins and ketones.

  6. The Urinary Tract & How It Works - NIDDK

    The 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 …

  7. Urine | Definition, Composition, & Facts | Britannica

    May 9, 2025 · 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 …

  8. Urine and Urination - MedlinePlus

    May 10, 2021 · Your kidneys make urine by filtering wastes and extra water from your blood. The waste is called urea. Your blood carries it to the kidneys. From the kidneys, urine travels down …

  9. Urine Color: What It Says About Your Health

    Nov 8, 2021 · Your urine is a mix of water, electrolytes and waste that your kidneys filter out from your blood. When you’re healthy and hydrated, your urine should fall somewhere between …

  10. Urine Color Chart: What’s Normal and When to See a Doctor

    Aug 26, 2024 · Urine can be yellow or orange if you're dehydrated or for other reasons. See a urine color chart and learn what causes different color urine.