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.

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

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,...

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. …

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.

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 doctor.

Urea is made when foods containing protein (such as meat, poultry, and certain vegetables) are broken down in the body. Urea is carried in the blood to the kidneys. This is where it is removed, along with …

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.

Feb 19, 2025 · Urine is created in the kidneys, whose job is usually described as filtering blood. But the kidneys do much more than that, Pollock said. "There's a very close relationship between the heart …