7 inch's
Urine is excreted from the kidneys.
Our liver converts ammonia into urea. This urea is excreted out in the urine.
50 gallons
The liquids in which the urea is excreted are: Urine and sweat
Urethra
Uroporphyrin is a substance that is excreted in the urine. This is excreted in very small amounts at a time.
Urea is produced by the liver and is excreted by the kidneys as a part of urine.
Urine
Urine
Urine exits the body through the urethra.
ketones
urine