Question

the thoracic cavity and the abdominopelvic cavity are separated by the ____________. multiple choice mediastinum visceral pleura peritoneum pelvic brim diaphragm

Explanation:

The diaphragm is a muscular - sheet that separates the thoracic cavity (containing the heart and lungs) from the abdominopelvic cavity (containing digestive and reproductive organs). The mediastinum is within the thoracic cavity, the visceral pleura covers the lungs, the peritoneum lines the abdominopelvic cavity, and the pelvic brim is part of the pelvic region.

Answer:

E. diaphragm