Biology 13A Lab #12: The Respiratory System

This chart shows some air pressures at different elevations: Altitude (in feet) Barometric Pressure (mm Hg) Barometric Pressure* (in Atmospheres) 0 (Sea Level) 760 1 3000 feet 684 0.9 10,000 532 0.7 18,000 (5,600m) 380 0.5 23,000 (7,200 m) 304 0.4 30,000 (9,400 m) 228 0.3 From Darwish, A. 2003. Aerospace Medicine: Part 1. ................
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