test
node1
GO:0048878
chemical homeostasis
node2
GO:0050801
monoatomic ion
homeostasis
node1->node2
node4
GO:0055082
intracellular
chemical homeostasis
node1->node4
node12
GO:0098771
inorganic ion
homeostasis
node1->node12
node3
GO:0006873
intracellular
monoatomic ion
homeostasis
node2->node3
node11
GO:0055080
monoatomic cation
homeostasis
node2->node11
node9
GO:0030003
intracellular
monoatomic cation
homeostasis
node3->node9
node4->node3
node5
BFO:0000003
occurrent
node5->node5
node6
BFO:0000015
process
node5->node6
node7
GO:0008150
biological_process
node6->node7
node8
GO:0042592
homeostatic process
node7->node8
node8->node1
node15
GO:0019725
cellular homeostasis
node8->node15
node10
GO:0010961
intracellular
magnesium ion
homeostasis
node9->node10
node11->node9
node13
GO:0010960
magnesium ion
homeostasis
node11->node13
node12->node13
node13->node10
node14
BFO:0000001
entity
node14->node5
node15->node4