test
node1
BFO:0000015
process
node2
GO:0008150
biological_process
node1->node2
node3
GO:0042592
homeostatic process
node2->node3
node6
GO:0019725
cellular homeostasis
node3->node6
node8
GO:0048878
chemical homeostasis
node3->node8
node4
GO:0006873
intracellular
monoatomic ion
homeostasis
node5
GO:0030003
intracellular
monoatomic cation
homeostasis
node4->node5
node9
GO:0006882
intracellular zinc
ion homeostasis
node5->node9
node13
GO:0055082
intracellular
chemical homeostasis
node6->node13
node7
BFO:0000003
occurrent
node7->node1
node7->node7
node10
GO:0098771
inorganic ion
homeostasis
node8->node10
node11
GO:0050801
monoatomic ion
homeostasis
node8->node11
node8->node13
node10->node9
node11->node4
node12
GO:0055080
monoatomic cation
homeostasis
node11->node12
node12->node5
node13->node4
node14
BFO:0000001
entity
node14->node7