{
  "id": "lymphatic",
  "name": "Lymphatic system",
  "function": "Returns fluid to the blood and defends the body against infection.",
  "key_organs": [
    "Lymph nodes",
    "Lymph vessels",
    "Spleen",
    "Thymus",
    "Tonsils"
  ],
  "url": "https://gratisapi.com/api/body-systems/lymphatic"
}