urine urine
No
Protein nor sugar should not be found in the urine of a healthy person.
Glucose is found in the urine from time to time.
yes they are found in them
in urine
CATS
No, the contents found in urine are different from those in your saliva.
If you are talking about three substances that are normally found in blood but not in urine, they are leukocytes, erythrocytes and glucose.
Both.
Urine
urea