The thoracic cavity - it houses your lungs, heart, esophagus.
The diaphragm separates the abdominal from the thoracic cavity.
Abdominal cavity is inferior to the diaphragm.
The thoracic cavity is separated from the abdominal cavity by the diaphragm. This is a broad flat muscle. (muscular) diaphragmThe diaphragm is a muscle that separate the thoracic from the abdominal cavity. The pelvis is the lowest part of the abdominal cavity and it has no physical separation from it Diaphragm
In physiology superior means above. The cavity superior to the diaphragm is the thoracic cavity
The diaphragm separates the chest from the abdomen and pelvis
Thoracic cavity
The diaphragm.
The diaphragm is situated between the chest cavity and the abdominal cavity.
Answer: skeletal musculature( connective tissue)
Pleural cavity: lungs Pericardial cavity: heart Mediastinum: heart, esophagus, trachea, diaphragm, thymus gland, aorta Surrounded by rib cage; backed by spinal vertebrae and scapula.
The Thoracic Cavity
The muscle you are referring to is the diaphragm. It also separates the thoracic cavity from the abdominopelvic cavity.