Biology — Calcium Homeostasis

{
  "elements":[
    {"data":{"id":"low","label":"Blood Ca2+ low"}},
    {"data":{"id":"pth","label":"PTH (parathyroid)"}},
    {"data":{"id":"bone","label":"Bone releases Ca2+"}},
    {"data":{"id":"kidney","label":"Kidney reabsorbs Ca2+"}},
    {"data":{"id":"vitd","label":"Vitamin D -> gut uptake"}},
    {"data":{"id":"high","label":"Blood Ca2+ high"}},
    {"data":{"id":"calc","label":"Calcitonin (thyroid)"}},
    {"data":{"id":"deposit","label":"Ca2+ into bone"}},
    {"data":{"source":"low","target":"pth"}},
    {"data":{"source":"pth","target":"bone"}},
    {"data":{"source":"pth","target":"kidney"}},
    {"data":{"source":"pth","target":"vitd"}},
    {"data":{"source":"high","target":"calc"}},
    {"data":{"source":"calc","target":"deposit"}}
  ],
  "layout":{"name":"breadthfirst","directed":true}
}