ANATOMY

Detailed explanation-1: -The organs of the urinary system include the kidneys, renal pelvis, ureters, bladder and urethra. The body takes nutrients from food and converts them to energy.

Detailed explanation-2: -Urine is about 95% water and 5% waste products. Nitrogenous wastes excreted in urine include urea, creatinine, ammonia, and uric acid. Ions such as sodium, potassium, hydrogen, and calcium are also excreted.

Detailed explanation-3: -All parts of the urinary tract-the kidneys, ureters, bladder, and urethra-must work together to urinate normally. All parts of the urinary tract-the kidneys, ureters, bladder, and urethra-must work together to urinate normally.

Detailed explanation-4: -It consists of water, urea (from amino acid metabolism), inorganic salts, creatinine, ammonia, and pigmented products of blood breakdown, one of which (urochrome) gives urine its typically yellowish colour.