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What is 1 + 3?
contains the brain
contains the spinal cord
muscle that separates the thoracic and abdominopelvic cavities
enclosed by the ribs, sternum, and vertebral column
contains the heart
contains the lungs
central area within the thoracic cavity
contains both the abdominal and pelvic cavities
the area between the diaphragm and the brim of the pelvis
contains the reproductive organs and urinary bladder.