Urea is the main nitrogenous waste in urine. It is an organic compound that is essential for metabolism in humans because it allows the kidneys to produce hyperosmotic urine.
Urea and creatinine
The Urea is the main nitrogenous waste product that is excreted by the human kidneys.
ammonia and urea
ammonia
Ammonia, Urea, or Uric acid. Urea is the main component of nitrogenous waste found in the urine.
Urine contains nitrogenous wastes.
The kidneys remove nitrogenous waste from the blood and produce urine to remove the waste.
Urea is the nitrogenous waste product filtered from the blood and excreted in the form of urine.
Urine
Your kidneys filer your blood of nitrogenous wastes. These wastes are then moved to the bladder in the form of urine and expelled.
Urea is the main waste compound found in urine. It consists of CO(NH2)2.
The kidneys filter nitrogenous waste out of your blood and deliver it to the bladder in the form of urine. The kidneys and bladder are connected by the ureters.
Ultra filtration, Absorption and Re absorption
Urine is nitrogenous waste matetial that contains ammonia. Tears is a form of sweat that is secreted by ducts in the eyes in order to keep the retina from becoming dry.
Birds do not urinate as mammals do. The nitrogenous waste which forms urine in people comes out as solid, along with the intestinal waste. That's why many bird droppings are black-and-white.
Urea (the main constituent of urine) is one waste product that is produced and released by the liver.