(10-10-2012, 06:07 PM)Nemet Robert Wrote: (10-10-2012, 06:06 PM)Bridge Wrote: What? That doesn't mean oxygen is flammable. Fire needs oxygen but oxygen doesn't spontaneously combust at any temperature (no matter the concentration). What's your source?
My Physics teacher.
Something more concrete than that perhaps? I'd love to believe you but I trust common sense more than hearsay.
EDIT: A quick search on Google pointed me to several sources that say oxygen is 0% flammable. Couldn't find anything on the oxygen concentration in the lungs though.