test
node1
BFO:0000003
occurrent
node1->node1
node6
BFO:0000015
process
node1->node6
node2
GO:0009887
animal organ
morphogenesis
node3
GO:0048795
swim bladder
morphogenesis
node2->node3
node4
GO:0048794
swim bladder
development
node4->node3
node5
GO:0048513
animal organ
development
node5->node2
node5->node4
node7
GO:0008150
biological_process
node6->node7
node8
GO:0032502
developmental process
node7->node8
node9
GO:0048856
anatomical structure
development
node8->node9
node11
GO:0009653
anatomical structure
morphogenesis
node8->node11
node9->node5
node9->node11
node10
BFO:0000001
entity
node10->node1
node11->node2