Assertion: lung's organ | /r/HasProperty | essential
Facets:
value: in reproduction
type: OTHER
value: for respiration and gas exchange
type: PURPOSE
Source sentences:
text: The most prominent organs of the respiratory system are the lungs, which are essential for respiration and gas exchange.
text: The vegetative organs are essential for maintaining the life of a plant.
text: While there can be 11 organ systems in animals, there are far fewer in plants, where some perform the vital functions, such as photosynthesis, while the reproductive organs are essential in reproduction.