Biology — Iron Homeostasis

{
  "elements":[
    {"data":{"id":"diet","label":"Dietary iron"}},
    {"data":{"id":"gut","label":"Absorbed in duodenum"}},
    {"data":{"id":"transf","label":"Transferrin (blood)"}},
    {"data":{"id":"marrow","label":"Bone marrow (haemoglobin)"}},
    {"data":{"id":"store","label":"Ferritin (liver store)"}},
    {"data":{"id":"hep","label":"Hepcidin"}},
    {"data":{"source":"diet","target":"gut"}},
    {"data":{"source":"gut","target":"transf"}},
    {"data":{"source":"transf","target":"marrow"}},
    {"data":{"source":"transf","target":"store"}},
    {"data":{"source":"hep","target":"gut","label":"inhibits uptake"}}
  ],
  "layout":{"name":"breadthfirst","directed":true}
}