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Why do cats yawn?

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Anonymous

10y ago
Updated: 6/28/2024

The exact reason why any animal (including humans) yawns has never been precisely determined, but many scientists think it has something to do with filling more of the lungs by taking a larger breath, in order to absorb more oxygen into the bloodstream when the body is tired (or vice versa to clear out more of the waste carbon dioxide and other unnecessary gases, so it then has more room to absorb oxygen from).

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Wiki User

10y ago

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