AP BIOLOGY

Detailed explanation-1: -Human urine is composed primarily of water (95%). The rest is urea (2%), creatinine (0.1%), uric acid (0.03%), chloride, sodium, potassium, sulphate, ammonium, phosphate and other ions and molecules in lesser amounts30 (Table 1).

Detailed explanation-2: -Normal urine consists of water, urea, salts, and pigments.

Detailed explanation-3: -Human urine is composed of water (95-96%), organic and inorganic wastes (5-4%) like urea, uric acid, creatinine, salts of phosphates and sulfates, etc. The main component of urine is water.

Detailed explanation-4: -The urinary tract is one of the systems that our bodies use to get rid of waste products. The kidneys are the part of the urinary tract that makes urine (pee). Urine has salts, toxins, and water that need to be filtered out of the blood.