test
node1
GO:0002376
immune system process
node2
GO:0001776
leukocyte homeostasis
node1->node2
node3
GO:0048872
homeostasis of number
of cells
node3->node2
node4
GO:0048871
multicellular
organismal-level
homeostasis
node4->node3
node5
BFO:0000003
occurrent
node5->node5
node9
BFO:0000015
process
node5->node9
node6
GO:0032501
multicellular
organismal process
node6->node4
node7
GO:0008150
biological_process
node7->node1
node7->node6
node8
GO:0042592
homeostatic process
node7->node8
node8->node4
node9->node7
node10
BFO:0000001
entity
node10->node5