... When you take a deep breath, your ribs move slightly upwards and outwards so as to expand your chest. The sternum, flat and dagger-shaped, lies just under the skin of the front of the chest, and to its upper end is attached the clavicle (collar-bone).... International Medical Guide for Ships: Including the Ship's Medicine Chest - Page 338 by World Health Organization - 1988 - 368 pages Full view -
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