The voltage delivering 1 watt depends on how many amps are present. We use watts to measure power (P), and amps (I) times volts (E) equals watts.
The urea and water that make up urine are removed from the blood in  the kidney. This is then passed on to the bladder which will be  excreted as urine.
A: After the prostate gland has been completely removed, any PSA in the blood is produced by prostate cancer cells that have left the prostate gland and spread to other areas of the body. However, sometimes the PSA can appear to be elevated because of a laboratory error.