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Definition of Internal respiration
1. Noun. The metabolic processes whereby certain organisms obtain energy from organic molecules; processes that take place in the cells and tissues during which energy is released and carbon dioxide is produced and absorbed by the blood to be transported to the lungs.
Exact synonyms: Cellular Respiration, Respiration
Generic synonyms: Metabolic Process, Metabolism
Derivative terms: Respire
Generic synonyms: Metabolic Process, Metabolism
Derivative terms: Respire
Medical Definition of Internal respiration
1. The interchange of gases between the blood and the tissues. Synonym: internal respiration. (05 Mar 2000)