The fluid secreted from the blood by the kidneys, stored in the bladder. Urine consists of 95% water and 5% solids. Urine is virtually sterile and nearly odorless.


Elimination of liquid not needed by the body. On average human bladder can hold 13 ounces of liquid.  Urea is toxic and can be irritating to skin and eyes. However, after suitable processing (as is done, for example, on the International Space Station, it is possible to extract potable water for drinking.

Buddhist Monks can use fermented cows urine for medicine.  Romans used urine as a bleaching agent for cleaning clothes and teeth.  Scotland used urine to wash and soak wool to prevent shrinking.

Urine has been used in the manufacture of gunpowder from potassium nitrate.

Urine has often been used to help prepare textiles, especially wool, for dyeing.

Urine contains large quantities of nitrogen as well as significant quantities of dissolved phosphates and potassium, the main macronutrients required by plants.


In healthy persons the color is pale yellow, clear or amber.


Watery liquid.


Below the waist.


Created in kidneys and stored in the bladder. Excreted through the urethra.


Between the bladder, kidney, urethra, and space.

Meditation on Urine