View Single Post
  #18 (permalink)  
Old 11-01-2007, 08:33 PM
Hiker Hiker is offline
CC Member
Visit my Photo Gallery

 
Join Date: Feb 2005
Location: Gilbert, AZ
Cobra Make, Engine:
Posts: 157
Not Ranked     
Default

So when I breath and my lungs expand....atmospheris pressure is filling my lungs, or are my lungs causing a vacuum sucking air in??
Reply With Quote