Air-sac meaning

An air-filled space in the body of a bird that forms a connection between the lungs and bone cavities and aids in breathing and temperature regulation.
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A saclike, thin-walled enlargement in the trachea of an insect.
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An inflatable pouch attached to the larynx in certain mammals, including the nonhuman great apes.
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Any of the air-filled cavities in a bird's body, having connections to the lungs.
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An air-filled space in the body of a bird that forms a connection between the lungs and bone cavities and aids in breathing and temperature regulation.
noun
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A saclike, thin-walled enlargement in the trachea of an insect.
noun
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An inflatable pouch attached to the larynx in certain mammals, including the nonhuman great apes.
noun
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An air-filled space in the body of a bird that forms a connection between the lungs and bone cavities and aids in breathing and temperature regulation.
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0
A saclike enlargement in the trachea of an insect.
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A baglike piece of skin or tissue below the jaw of certain animals, such as the bullfrog and orangutan, that can be inflated to increase sound production.
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