test
node1
GO:0032501
multicellular
organismal process
node2
GO:0048871
multicellular
organismal-level
homeostasis
node1->node2
node3
GO:0060249
anatomical structure
homeostasis
node2->node3
node6
GO:0001894
tissue homeostasis
node2->node6
node3->node6
node4
BFO:0000015
process
node5
GO:0008150
biological_process
node4->node5
node5->node1
node7
GO:0042592
homeostatic process
node5->node7
node7->node2
node8
BFO:0000003
occurrent
node8->node4
node8->node8
node9
BFO:0000001
entity
node9->node8