Search Result：internal respiration
internal respiration 
(TTS Sound)
(TTS Sound)Overview of noun internal_respiration
The noun internal respiration has 1 sense
- respiration, internal respiration, cellular respiration -- (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)