respiratory enzyme n.
An enzyme, such as oxidase, that transfers electrons from its substrate to molecular oxygen during cellular respiration.
- Respiratory exchange ratio
respiratory exchange ratio n. Abbr. R The ratio of the net output of carbon dioxide to the simultaneous net uptake of oxygen at a given site.
- Respiratory failure
noun 1. a condition in which the respiratory system is unable to provide an adequate supply of oxygen or to remove carbon dioxide efficiently
- Respiratory lobule
respiratory lobule n. See primary pulmonary lobule.
- Respiratory minute volume
respiratory minute volume n. The product of tidal volume and the respiratory frequency.