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This is a multi-part message in MIME format. --------------CB9307205B40080872FEE487 Content-Type: text/plain; charset=us-ascii Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Transfer-Encoding: 7bit Ray Lakin wrote: > I believe that energy loss through breathing has been too long > neglected > by nutritionists, but don't think that is necessary to postulate > increased > oxygen uptake by cells by deep breathing etc., to explain the > differences > in metabolic rates between individuals. > > If you do a simple psychometric calculation, which takes inhaled > breath at > ambient temperature and humidity, and assumes that the exhaled air is > just > below body temperature and at about 90% relative humidity, the > increase in > heat content, or enthalpy, accounts for about 30% of the body's > energy > intake, assuming an average breathing rate of 1 cub ft/min - I'll > send a > copy of the calculations by private e-mail to any one who wants them. > > This loss of energy from the body is mainly due to the latent heat of > > evaporation as liquid water is transferred from the lung surfaces to > > evaporated water in the outgoing breath. > > Ray Lakin Ray, are you saying that we could "SAVE ENERGY, STOP BREATHING" ? :-) --------------CB9307205B40080872FEE487 Content-Type: text/x-vcard; charset=us-ascii; name="vcard.vcf" Content-Transfer-Encoding: 7bit Content-Description: Card for Bob Chapman Content-Disposition: attachment; filename="vcard.vcf" begin: vcard fn: Bob Chapman n: Chapman;Bob email;internet: [log in to unmask] x-mozilla-cpt: ;0 x-mozilla-html: TRUE end: vcard --------------CB9307205B40080872FEE487--