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 from the …

Jan 13, 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 and electrolytes.

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 made of water,...

Oct 11, 2025 · Foods and medicines can change the color of urine. But a color change also could be a sign of disease.

Dec 18, 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 body. …

Nov 24, 2025 · 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 two thin …

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.

: waste material that is secreted by the kidneys, is rich in the end products of protein breakdown, and is usually a yellowish liquid in mammals but semisolid in birds and reptiles.

Jul 27, 2025 · Urine offers a direct window into the body’s internal workings. This readily available bodily fluid provides insights into hydration levels, dietary influences, and even potential health conditions.

Dec 11, 2025 · Leukocytes are white blood cells that can be detected in urine tests. Learn what the normal range is and what elevated leukocytes might mean.