test
node1
BFO:0000003
occurrent
node1->node1
node2
BFO:0000015
process
node1->node2
node9
GO:0008150
biological_process
node2->node9
node3
GO:0048513
animal organ
development
node4
GO:0007507
heart development
node3->node4
node12
GO:0003157
endocardium
development
node4->node12
node5
GO:0048856
anatomical structure
development
node5->node3
node6
GO:0009653
anatomical structure
morphogenesis
node5->node6
node7
GO:0048731
system development
node5->node7
node8
GO:0007275
multicellular
organism development
node5->node8
node5->node12
node11
GO:0003160
endocardium
morphogenesis
node6->node11
node14
GO:0072359
circulatory system
development
node7->node14
node8->node7
node10
GO:0032502
developmental process
node9->node10
node13
GO:0032501
multicellular
organismal process
node9->node13
node10->node5
node10->node6
node12->node11
node13->node8
node14->node4
node15
BFO:0000001
entity
node15->node1