test
node1
GO:0086009
membrane
repolarization
node2
GO:0099622
cardiac muscle cell
membrane
repolarization
node1->node2
node3
GO:0008150
biological_process
node4
GO:0065007
biological regulation
node3->node4
node6
GO:0065008
regulation of
biological quality
node4->node6
node5
BFO:0000003
occurrent
node5->node5
node8
BFO:0000015
process
node5->node8
node7
GO:0042391
regulation of
membrane potential
node6->node7
node7->node1
node8->node3
node9
BFO:0000001
entity
node9->node5