In studies of the human body, which of the following terms is used to describe the first step in the production of urine? Is it: a) tubular secretion b) tubular reabsorption c) glomerular filtration d) none of these
option C. Glomerular filtration is step one in making urine. It is the technique that your kidneys use to clear out out extra fluid and waste merchandise out of the blood into the urine gathering tubules of the kidney, so they'll be removed out of your body.