Urine is the fluid excreted by the kidneys of vertebrates to clear the bloodstream of excess water and metabolic by-products including urea, uric acid, and creatinine. In mammals, urine travels from the …

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 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,...

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.

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 …

Mar 1, 2026 · 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. …

Oct 29, 2025 · Urine contains various chemicals, minerals, toxins, bacteria, and red and white blood cells. A urine test, also known as a urinalysis, can reveal the presence and amounts of these …

Most of the time, healthy urine is a pale shade of yellow. The color comes from a chemical called urochrome. Urine might be a darker yellow if you’re dehydrated, as it contains more waste products. …

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.