The thoracic cage is the protective armor that shields the heart, lungs, and great vessels as well as many abdominal organs. The liver, gall bladder, and spleen, to name just a few, lie under the cover of ribs, because the concavity of the dome-shaped diaphragm is part of the abdominal cavity.
KeywordsCage Respiration Gall
Unable to display preview. Download preview PDF.