Answer:
The system is A. urinary system.
Step-by-step explanation:
Urinary system has the main function of producing, eliminating, and excreting the fluid wastage created by the kidney and also helps in maintaining the blood volume and blood pressure. The urinary system helps in maintaining chemicals and water balance in the body. Kidney acts as the primary organ for the urinary system.
Kidney filters the wastes and removes excessive water from the blood, thus creating urine. Ureters helps in carrying the urine from kidney to bladder.