Convection and diffusion gas exchange in air or water

H. Rahn, Douglas Wangensteen, L. E. Farhi

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


The gas exchange between air or water environment and the external gas exchanging tissues of animals can take place either by convection or diffusion. Basic equations for the four conditions are described and the limitations which they impose upon the O2 and CO2 tension at the exchange surface are discussed.

Original languageEnglish (US)
Pages (from-to)1-6
Number of pages6
JournalRespiration Physiology
Issue number1
StatePublished - Apr 1971


  • CO pressure
  • Convection
  • Diffusion
  • Exchange ratio
  • Gas exchange
  • O pressure


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