Assertion: lung's organ | /r/HasProperty | gill
Facets:
Source sentences:
text: Two common respiratory organs of invertebrates are trachea and gills.
text: Respiration in fish and other aquatic organisms have special organs called gills, which help them in respiration.
text: frog in its larval stage is called a tadpole and its respiratory organ is gills.
text: Aerial respiratory organs are called lungs and tracheae, and aquatic respiratory organs are called gills.