Question

What is the percentage of urea in human urine?

Answer 1

Urine is an aqueous solution of greater than 95% water, with a minimum of these remaining constituents, in order of decreasing concentration: Urea 9.3 g/L. Chloride 1.87 g/L. Sodium 1.17 g/L.

Answer 2

Human urine is composed urea (2%-2.5%).

Explanation:

• Human urine is primarily composed of water (95%).
• The rest are low in urea (2%), creatine (0.1%), uric acid (0.03%), chloride, sodium, potassium, sulfate, ammonium, phosphate and other ions and molecules.
• Urine is a liquid byproduct of metabolism in humans and many other animals.
• Urine flows from the kidney to the bladder through the ureters.
• Urine passes out of the body through the urethra as a result of urination.
• Normal urea levels in urine are 12 to 20 grams in 24 hours.
• Different laboratories may have reference ranges that may vary slightly and may vary by gender or age.
• Low levels of urea in the urine may indicate malnutrition.