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  1. Urine - Wikipedia

    Urine, excreted by the kidneys, is a liquid containing excess water and water-soluble nitrogen-rich by-products of metabolism including urea, uric acid, and creatinine, which must be cleared …

  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 and Odor: What It Reveals About Your Body - WebMD

    Feb 19, 2025 · But the basic details of your urine — color, smell, and how often you go — can give you a hint about what’s going on inside your body. Pee is your body’s liquid waste, mainly …

  4. Urine color - Symptoms and causes - Mayo Clinic

    Oct 11, 2025 · Foods such as beets, blackberries and fava beans can turn urine pink or red, for example. And some medicines can give urine vivid tones, such as orange or greenish-blue.

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

    Nov 11, 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 …

  6. Urine | definition of urine by Medical dictionary

    The largest component of urine by weight (apart from water) is urea, which is derived from the breakdown of dietary proteins and amino acids in the diet and those of the body itself.

  7. The Urinary Tract & How It Works - NIDDK

    Describes how the urinary tract works, why it’s important, what affects the amount of urine produced, and how to keep the urinary tract healthy.

  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. What Your Pee Can Tell You About Your Health

    1 day ago · Your pee can reveal important information about your health. Learn what changes in color, odor, and frequency might mean and when to contact Alliance Urology for expert care.

  10. Foul-Smelling Urine But No Pain: Causes, Symptoms, Treatment

    Jan 31, 2025 · Urine is a liquid waste product excreted by your body after the kidneys filter out your blood and tissues. It isn’t exactly the best-smelling substance in the first place.