Spirometry Volumes & Capacities The lung can be divided into eight volumes and capacities: LessonsIntroduction.Spirometry and PFT.Reasons to Perform Spirometry.✓The Lungs.Definitions & Nornal Values.Measurements.Measures.Performing a Test 1.Performing a Test 2.Results 1.Results 2.Interpretation Guidelines 1.Interpretation Guidelines 2.Degree of Severity.COPD.Try This One.Recommendations.Sign in to enable progress reports and certificates.