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Biology 7 Online
OpenStudy (anonymous):

How does a spirometer create a 'spirometer trace' with fluctuations and not a linear graph? Since oxygen is being used and carbon dioxide is absorbed by soda lime, why doesn't the volume of gas decrease at a constant rate?

OpenStudy (anonymous):

This is a normal spirometer trace: |dw:1329054497225:dw| Why is not like this - even though volume of gas is decreasing: |dw:1329054580416:dw|

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