test
node1
GO:0007154
cell communication
node2
GO:0019226
transmission of nerve
impulse
node1->node2
node7
GO:0019228
neuronal action
potential
node2->node7
node3
GO:0050877
nervous system
process
node3->node2
node4
GO:0003008
system process
node4->node3
node5
GO:0008150
biological_process
node6
GO:0009987
cellular process
node5->node6
node10
GO:0032501
multicellular
organismal process
node5->node10
node14
GO:0065007
biological regulation
node5->node14
node6->node1
node8
BFO:0000001
entity
node9
BFO:0000003
occurrent
node8->node9
node9->node9
node11
BFO:0000015
process
node9->node11
node10->node4
node11->node5
node12
GO:0065008
regulation of
biological quality
node13
GO:0042391
regulation of
membrane potential
node12->node13
node15
GO:0001508
action potential
node13->node15
node14->node12
node15->node7