The determination of the functional residual volume; gas exchange between the lungs and a closed system upon rebreathing; the calibration of the system.
D002138:Calibration; D019069:Cell Respiration; D006801:Humans; D008168:Lung; D008176:Lung Volume Measurements; D012115:Residual Volume; D012119:Respiration / Q000502:physiology*
RESPIRATION/physiology