Yeah! I'd like that. Maybe then they wouldn't be going around killing so many people...Bill!
--- In [email protected], Kristopher Grey <kris@...> wrote: > > On 8/27/2012 4:38 AM, Merle Lester wrote: > > /Military: /Can you imagine a navy seals capability when they wouldnât > > need to surface for air and could stay underwater for over 20 minutes? > > There's a catch: > > In addition to absorbing O2 the lugs exhale CO2. Our metabolic engines > have exhaust. The CO2 buildup in the blood is what causes the intense > urge to breath when you hold your breath - not the lack of O2. That just > makes you quietly pass out. > > Free divers do not hyperventilate before diving to increase O2 levels, > as the blood is already 100% saturated when breathing normally. The > hyperventilation purges more CO2 and allow more time before the need to > breathe becomes hard to fight/CO2 becomes dangerous. > > This CO2 buildup progresses to disorientation, panic, hyperventilation, > convulsions, unconsciousness, and eventually death. > https://en.wikipedia.org/wiki/Hypercapnia > > 20 minutes? How many could fight this that long if active/conscious, and > how long before blood CO2 levels become toxic or fatal? > > Many saved from drowning note the struggling stops in about a minute and > a calm/euphoria sets in - but that means you're about to fade - and > have only a couple minutes before permanent neurological damage begins > (very cold water slows this down). With supplemental blood O2, you'd > keep struggling/panicking a lot longer. Dealing with this would take a > very strong mind and a lot of practice. Few could manage it, until the > CO2 injures or kills them. > > KG > ------------------------------------ Current Book Discussion: any Zen book that you recently have read or are reading! Talk about it today!Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Zen_Forum/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/Zen_Forum/join (Yahoo! ID required) <*> To change settings via email: [email protected] [email protected] <*> To unsubscribe from this group, send an email to: [email protected] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
