Anything other then urine.
Proteins and sugars.
Urine shouldn't be grey; it should be clear to yellow, depending. If your urine is the wrong color, or has a strong odor, you should consult your doctor.
For a healthy person, urine should be clear and odorless. If you are experiencing cloudy or white urine, you should seek medical attention by your family physician.
you shouldnt have to use a friends urine
No. Normal urine should be sterile.
There should be no albumin in the urine if the kidneys are functioning properly.
I'm pretty sure your urine should smell like urine. Why are you smelling your urine?
why should you add 8 drops of urine in the Benedicts test
There is a problem with the kidneys as there should be no blood in the urine.
For the most accurate results, the only urine that should touch the pregnancy test should be you.
No Normal urine should not include any traces of blood.
A puppies urine should be yellow on a puppy pad.
There should be no difference in the color or amount of urine for teens or adults. Urine should be a clear yellow to light amber color. If it is darker, the person has probably not had enough fluids.