1. Historical introduction / John B. West -- 2. Effects of acceleration on the lung / David H. Glaister -- 3. Lung volumes and chest wall mechanics / Marc Estenne -- 4. Ventilation distribution / Manuel Paiva and G. Kim Prisk -- 5. Aerosol transport in the lung / Chantal Darquenne -- 6. Pulmonary perfusion : gravitational components / G. Kim Prisk -- 7. Pulmonary perfusion distribution : nongravitational factors / Michael P. Hlastala, H. Thomas Robertson, and Robb W. Glenny -- 8. Pulmonary gas exchange / John B. West -- 9. Exercise and gas exchange / Dag Linnarsson -- 10. Central venous pressure / Jay C. Buckey, Jr. -- 11. Pulmonary interstitial fluid balance / Daniela Negrini and Giuseppe Miserocchi -- 12. Control of ventilation / G. Kim Prisk -- 13. Decompression sickness in extravehicular activities / William T. Norfleet and Bruce D. Butler -- 14. Overall summary / G. Kim Prisk, John B. West, and Manuel Paiva.