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  1. 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 …

  2. 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 …

  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 and medicines can change the color of urine. But a color change also could be a sign of disease.

  5. 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 …

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

    Sep 27, 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 …

  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. 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.

  9. Urine and Urination | Effective Health Care (EHC) Program

    Sep 15, 2014 · If you have a urinary problem, see your health care provider. Urinalysis and other urine tests can help to diagnose the problem. Treatment depends on the cause. NIH: National …

  10. What Your Urine Says About Your Health: 8 Warning Signs - AARP

    Nov 23, 2021 · Urine is produced by your kidneys, which filter toxins, waste products and extra water out of your blood. From the kidneys, urine flows through tubes called ureters to your …