Assertion: lung's organ | /r/CapableOf | use for respiration
Facets:
value: exclusively
type: MANNER
Source sentences:
text: All physiologists admit that the swimbladder is homologous, or 'ideally similar,' in position and structure with the lungs of the higher vertebrate animals: hence there seems to me to be no great difficulty in believing that natural selection has actually converted a swimbladder into a lung , or organ used exclusively for respiration.