1. The bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation
   "Deep external respiration exercises can help reduce stress";
   - breathing, external respiration, ventilation
    
2. A single complete act of breathing in and out
   "thirty respirations per minute"
    
3. 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
   "Cellular respiration is essential for the production of ATP in living cells";
   - internal respiration, cellular respiration

Derived forms: respirations

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

Encyclopedia: Respiration, artificial