David H. Elliott
Contributor
Professor of Occupational Health, Robens Institute of Industrial and Environmental Health and Safety, University of Surrey, England.
Primary Contributions (1)
Human respiratory system, the system in humans that takes up oxygen and expels carbon dioxide. The human gas-exchanging organ, the lung, is located in the thorax, where its delicate tissues are protected by the bony and muscular thoracic cage. The lung provides the tissues of the human body with aβ¦
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