Final answer:
The urinary system filters out excess water, vitamins, and waste products from the blood and eliminates them as urine.
Step-by-step explanation:
The urinary system is responsible for filtering out excess water, vitamins, and waste products from the blood. The main function of the urinary system is to filter waste products and excess water from the blood and excrete them from the body in the form of urine. The kidneys are the main organs of the urinary system and they contain tufts of specialized capillaries called glomeruli, which filter the blood based on particle size.