. . "respiratory quotient"@en-us . "respiratory quotient"^^ . "13825292-n"^^ . . . "0"^^ . . . . . "the ratio of the volume of carbon dioxide expired to the volume of oxygen consumed by an organism or cell in a given period of time"@en-us . . "0"^^ . "113825292"^^ . "113043182"@en-us .