Life: The Science of Biology 11th Edition

Published by W. H. Freeman
ISBN 10: 1-31901-016-4
ISBN 13: 978-1-31901-016-4

Chapter 48 - Gas Exchange - 48.3 - Humans Have Tidal Respiration - 48.3 Recap - Learning Outcomes - Page 1034: 3


The thoracic cavity is a closed region bounded by the diaphragm that houses the lungs in humans. Each lung is enveloped with a sheet of tissue called the pleural membrane that also lines the thoracic cavity. Since there isn't an empty space between the pleural membrane and the thoracic cavity, a thin film of fluid helps hold them together.

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