Exercise, smoking and asthma are all factors that can affect the gas exchange system. VOICEOVER: How we breathe. Breathing - or ventilation - is the process of taking air into and out of the lungs.

This Working Group was created in 1978, with the purpose of advising the IAEA on how to promote the exchange of technical information and international cooperation on gas cooled reactors, in ...

Exercise, smoking and asthma are all factors that can affect the gas exchange system. VOICEOVER: How we breathe. Breathing - or ventilation - is the process of taking air into and out of the lungs.