home *** CD-ROM | disk | FTP | other *** search
/ Anatomy & Physiology - Essential Study Partner / Anatomy & Physiology ESP 2.iso / pc / files / abm3.dxr / 00186_Field_ABM3S3D TEXT.txt < prev    next >
Text File  |  1999-11-09  |  279b  |  3 lines
  1. Pressure Changes During Inspiration
  2.  
  3. (a) Prior to inspiration, the intra-alveolar pressure is 760 millimeters of mercury (mm Hg). (b) The intra-alveolar pressure decreases to about 758 mm Hg as the thoracic cavity enlarges, and atmospheric pressure forces air into the airways.