test
node1
GO:0032501
multicellular
organismal process
node2
GO:0007275
multicellular
organism development
node1->node2
node14
GO:0048731
system development
node2->node14
node3
GO:0008150
biological_process
node3->node1
node4
GO:0032502
developmental process
node3->node4
node8
GO:0048856
anatomical structure
development
node4->node8
node5
BFO:0000003
occurrent
node5->node5
node9
BFO:0000015
process
node5->node9
node6
GO:0048513
animal organ
development
node7
GO:0007507
heart development
node6->node7
node11
GO:0003204
cardiac skeleton
development
node7->node11
node8->node2
node10
GO:0009888
tissue development
node8->node10
node8->node6
node8->node14
node9->node3
node12
GO:0061448
connective tissue
development
node10->node12
node12->node11
node13
GO:0072359
circulatory system
development
node13->node7
node14->node13
node15
BFO:0000001
entity
node15->node5