Question

The muscular partition between thorax and abdomen _______.

Answer 1

Diaphragm:

1. The diaphragm is a strong, dome-shaped wall of muscles that separates the chest cavity from the abdominal cavity.
2. The broader lower surface of the lungs rests on the sheet of muscle called the diaphragm, which forms the floor of the thoracic cavity.

Final answer: The muscular partition between the thorax and abdomen is a diaphragm.