hasRespiratorySystem

P18577 predicate

Indicates that an entity possesses a respiratory system, i.e., anatomical structures enabling breathing and gas exchange.

Subject	Object
Aves	unidirectional airflow lungs with air sacs →
Bivalvia	ctenidia ("hasRespiratoryOrgan") →
Cnidaria	absent →
Osteichthyes	gills ("hasRespiratoryOrgan") →
Platyhelminthes	absent ("respiratorySystem") →
Scyphozoa	gas exchange by diffusion ("respiratorySystem") →