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In the distal regions of the human lung, one of the most challenging problems facing a large multicellular organism is solved--ensuring an adequate supply of oxygen for aerobic tissue metabolism while removing associated waste products. Conduits for both air and blood converge at the alveolar level to match ventilation with perfusion and thus assure the free diffusion of oxygen and carbon dioxide. Despite their thin walls and their intimate relationship to the pulmonary capillary bed, the alveolus must present a barrier function robust enough to resist alveolar flooding from the hydrostatic pressures generated by the weight of the lungs and the volume of blood in the pulmonary circuit. The s...
In this first comprehensive authorized biography of David Brower, a dynamic leader in the environmental movement over the last half of the twentieth century, Tom Turner explores Brower's impact on the movement from its beginnings until his death in 2000. Frequently compared to John Muir, David Brower was the first executive director of the Sierra Club, founded Friends of the Earth, and helped secure passage of the Wilderness Act, among other key achievements. Tapping his passion for wilderness and for the mountains he scaled in his youth, he was a central figure in the creation of the Point Reyes National Seashore and of the North Cascades and Redwood national parks. In addition, Brower work...
Whether you'd like to be an art director or already are one, this book contains valuable solutions that will help you get ahead. This comprehensive, thorough professional manual details the set-up of the art department and the day-to-day job duties: scouting for locations, research, executing the design concept, constructing scenery, and surviving production. You will not only learn how to do the job, but how to succeed and secure future jobs. Rounding out the text is an extensive collection of useful forms and checklists, along with interviews with prominent art directors, relevant real-life anecdotes, and blueprints, sketches, photographs, and stills from Hollywood sets.
A non-technical guide about caring for, adapting, expanding, and preserving older buildings.
A British medical journalist offers a meticulously researched look at HIV and its potential source, discussing the history of this lethal epidemic, analyzing a number of theories concerning its origins, and investigating current scientific inquiries into HIV, AIDS, and the search for a cure. Reprint. 15,000 first printing.