How does the human urinary system filter waste from the blood, store it, and then get rid of it? include the word kidneys, urine, and bladder in your answer. answer in complete sentences.

The body produces urine as a way to get rid of waste and extra water that it doesn't need. Before leaving your body, urine travels through the urinary tract.
The kidneys are two bean-shaped organs that filter waste from the blood and produce urine, that contains high concentrations of urea and other substances, including toxins. 
The urine is taken from the kidney to the bladder via two thin tubes, called ureters.
During urination, urine stored in the bladder is discharged through the tube - urethra.