Assertion: chimera's organ | /r/Desires | multiple types of tissue
Facets:
value: to not mention blood vessels
type: OTHER
value: to not mention nerve inputs
type: PURPOSE
Source sentences:
text: Some, like Harvard’s Daley, say many barriers remain before complex organs that require multiple types of tissue, not to mention nerve inputs and blood vessels, could ever be created for humans in animals and not be rejected by the immune system.