Breathing Pure Oxygen/Apollo Space program

Subject: Breathing Pure Oxygen/Apollo Space program

Date: Mon Jul 17 22:15:26 2000
Posted by Glenn David
Grade level: teacher/prof School: No school entered.
City: No city entered. State/Province: CT Country: No country entered.
Area of science: General Biology
ID: 963886526.Gb

Message:


I have read how breathing pure oxygen for extended periods can cause 
physical problems.  However, the Apollo space craft was designed for the 
astronauts to breath pure oxygen at lower pressures--approximately 5 psi.  
How come this did not cause problems for the astronauts?

thanks,

glenn

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