Discontinuous gas exchange

（重定向自Discontinuous respiration）

Discontinuous gas-exchange cycles (DGC), also called discontinuous ventilation or discontinuous ventilatory cycles, follow one of several patterns of arthropod gas exchange that have been documented primarily in insects; they occur when the insect is at rest. During DGC, oxygen (O₂) uptake and carbon dioxide (CO₂) release from the whole insect follow a cyclical pattern characterized by periods of little to no release of CO₂ to the external environment. Discontinuous gas exchange is traditionally defined in three phases, whose names reflect the behaviour of the spiracles: the closed phase, the flutter phase, and the open phase.

单词	Discontinuous respiration
释义	Discontinuous respiration 英语百科 Discontinuous gas exchange （重定向自Discontinuous respiration） Discontinuous gas-exchange cycles (DGC), also called discontinuous ventilation or discontinuous ventilatory cycles, follow one of several patterns of arthropod gas exchange that have been documented primarily in insects; they occur when the insect is at rest. During DGC, oxygen (O₂) uptake and carbon dioxide (CO₂) release from the whole insect follow a cyclical pattern characterized by periods of little to no release of CO₂ to the external environment. Discontinuous gas exchange is traditionally defined in three phases, whose names reflect the behaviour of the spiracles: the closed phase, the flutter phase, and the open phase.
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