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1. 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
   - internal respiration, cellular respiration
    
2. A single complete act of breathing in and out
   "thirty respirations per minute"
    
3. The bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation
   - breathing, external respiration, ventilation

Derived forms: respirations

Type of: activity, bodily function, bodily process, body process, metabolic process, metabolism

Encyclopedia: Respiration, artificial