The Thoracic Cavity is Separated from the Abdominopelvic Cavity by ________

Question

The thoracic cavity is separated from the abdominopelvic cavity by ________.
A) the inferior border of the rib cage
B) a sheet of connective tissue
C) the diaphragm
D) the liver
E) None of the answers are correct.

Accepted Answer

The thoracic cavity, which contains the heart and lungs, is separated from the abdominopelvic cavity, which contains the digestive and reproductive organs, by the diaphragm, a sheet of muscle that contracts during inhalation to expand the lungs.