test
node1
GO:0015669
gas transport
node2
GO:0015670
carbon dioxide
transport
node1->node2
node13
GO:0035378
carbon dioxide
transmembrane
transport
node2->node13
node3
GO:0051234
establishment of
localization
node4
GO:0006810
transport
node3->node4
node4->node1
node5
GO:0055085
transmembrane
transport
node4->node5
node10
GO:0071702
organic substance
transport
node4->node10
node5->node13
node6
GO:0008150
biological_process
node7
GO:0051179
localization
node6->node7
node9
GO:0009987
cellular process
node6->node9
node7->node3
node8
GO:0019755
one-carbon compound
transport
node8->node2
node9->node5
node10->node8
node11
BFO:0000003
occurrent
node11->node11
node12
BFO:0000015
process
node11->node12
node12->node6
node14
BFO:0000001
entity
node14->node11