{
  "id": "urinary",
  "name": "Urinary system",
  "function": "Filters blood, removes waste, and regulates water and electrolyte balance.",
  "key_organs": [
    "Kidneys",
    "Ureters",
    "Bladder",
    "Urethra"
  ],
  "url": "https://gratisapi.com/api/body-systems/urinary"
}