The Muscular Partition That Separates the Abdominopelvic and Thoracic Cavities

Question

The muscular partition that separates the abdominopelvic and thoracic cavities is the ________.
A) masseter
B) transversus abdominis
C) diaphragm
D) perineum
E) rectus abdominis

Accepted Answer

The diaphragm is the muscular partition that separates the thoracic cavity (containing the heart and lungs) from the abdominal cavity (containing digestive organs).