Assertion: penguin | /r/CapableOf | use expanding air volume
Facets:
value: in their body
type: LOCATION
Source sentences:
text: A study on Adélie and king penguins showed that penguins can regulate their air intake before a dive, vigorously flap their flippers during the initial descent to overcome positive buoyancy, and then passively ascend from a dive using the expanding air volume in their body to conserve energy.