MEDICAL PHYSIOLOGY

Detailed explanation-1: -The process of excretion is called urination and it is excreted through the urethra. Urine primarily consists of water (95%), including organic solute like urea (2.5%), and other wastes (2.5%) such as enzymes, hormones, fatty acids etc.

Detailed explanation-2: -In general, urine is composed of approximately 95% water and 5% waste products, metabolites, proteins, inorganic ions (e.g., sodium, potassium) and other organic molecules (urea, uric acid, carbohydrates). It is a more dilute proteome and metabolome than blood.

Detailed explanation-3: -Secreted by the renal tubules, it accumulates in the urinary bladder and is excreted via the urethra. While it is composed of 91 to 96 percent water, it contains many other components, both solid and liquid.

Detailed explanation-4: -Urine contains 75 percent water and 25 percent solutes.