When Does the Aorta Become the Abdominal Aorta

Question

When does the aorta become the abdominal aorta?
A) when it leaves the heart
B) when it passes through the diaphragm
C) when it descends down the back of the heart
D) none of the above

Accepted Answer

The aorta becomes the abdominal aorta when it passes through the diaphragm, which separates the thoracic cavity (where the heart and lungs are) from the abdominal cavity. Below the diaphragm, the aorta travels down the back of the abdomen and becomes the abdominal aorta.