Meaning Of The Word Air sac
What's the definition of Air sac? Find Air sac meanings, definitions and more at the Real Dictionary online.
Air sac Meaning
| Air sac Definition |
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What's The Definition Of Air sac?
air sac in British English
any of the air-filled cavities in a bird's body, having connections to the lungs noun: a sac containing air noun: any of the membranous air-filled extensions of the lungs of birds, which increase the efficiency of gaseous exchange in the lungs |
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