Final answer:
Nephrologists and Urologists are the medical specialists concerned with the health of the urinary system.
Step-by-step explanation:
The medical specialists concerned with the health of the urinary system are Nephrologists and Urologists. Nephrologists study and treat diseases of the kidneys, including kidney failure and conditions caused by kidney disease. They focus on blood pressure, blood volume, and electrolyte balance. Urologists specialize in the urinary tract system, including the kidneys, bladder, and urethra.