The ________ Divides the Aorta into the Thoracic Aorta and the Abdominal

Question

The ________ divides the aorta into the thoracic aorta and the abdominal aorta.
A) pericardium
B) mediastinum
C) diaphragm
D) peritoneum
E) pleura

Accepted Answer

The diaphragm is a muscular partition between the thoracic and abdominal cavities, and it divides the aorta into the thoracic aorta (above the diaphragm) and the abdominal aorta (below the diaphragm). The pericardium is a membrane surrounding the heart, the mediastinum is the space between the lungs that contains the heart and major blood vessels, the peritoneum is a membrane lining the abdominal cavity, and the pleura is a membrane surrounding the lungs.