The body cavities that make up our body are:
Thoracic cavity. In the thoracic cavity you have your lungs and your heart and diaphragm.
Cranial cavity. Holds your brain
Abdominal cavity. This cavity holds your kidneys, stomach, pancreas, gallbladder, appendix, spleen and liver
Abdominopelvic cavity. This holds your bladder, reproductive organs
Spinal cavity. This holds your spine and all the nerves associated within.
The whole body is divided into two cavities where are the dorsal and the ventral cavities.
The dorsal (back) cavity holds the cranial and vertebral cavities.
The ventral cavity holds the abdominal cavity, thoracic and adominopelvic cavity.