THORAX ABDOMEN AND PELVIS

Detailed explanation-1: -The diaphragm is a thin dome-shaped muscle which separates the thoracic cavity (lungs and heart) from the abdominal cavity (intestines, stomach, liver, etc.).

Detailed explanation-2: -The diaphragm is a sheet of muscle that separates the thoracic cavity from the abdominal cavity. Special membrane tissues surround the body cavities, such as the meninges of the dorsal cavity and the mesothelium of the ventral cavity.

Detailed explanation-3: -The thoracic cavity is separated from the abdominopelvic cavity by the diaphragm. The thoracic cavity is further separated into the pleural cavity which contains the lungs and the superior mediastinum which includes the pericardial (heart) cavity. The organs within the ventral body cavity are called the viscera.

Detailed explanation-4: -The diaphragm has many other roles besides respiration. It acts as a barrier between the thoracic and abdominal cavity and prevents herniation of abdominal organs into the chest cavity.