Dictionary

internal respiration

noun

Definition of INTERNAL RESPIRATION

:  an exchange of gases between the cells of the body and the blood by way of the fluid bathing the cells — compare external respiration
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First Known Use of INTERNAL RESPIRATION

circa 1890
Medical Dictionary

internal respiration

noun

Medical Definition of INTERNAL RESPIRATION

:  the exchange of gases (as oxygen and carbon dioxide) between the cells of the body and the blood by way of the fluid bathing the cells—compare external respiration

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