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breathing, ventilation, respiration, external respiration | the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation | ||
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respiration | a single complete act of breathing in and out | ||
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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 |