Assertion: gill's surface area | /r/HasProperty | approximately 145 m2
Facets:
Source sentences:
text: This provides an extremely large surface area (approximately 145 m2) across which gas exchange can occur.
text: It is folded into about 300 million small air sacs called alveoli (each between 75 and 300 µm in diameter) branching off from the respiratory bronchioles in the lungs, thus providing an extremely large surface area (approximately 145 m2) for gas exchange to occur.
text: It is folded into about 300 million small air sacs called alveoli (each between 75 and 300 µm in diameter) branching off from the respiratory bronchioles in the lungs, thus providing an extremely large surface area (approximately 145 m2) for gas exchange to occur.