Final answer:
The part of the ventral cavities below the diaphragm and containing the liver, stomach, spleen, pancreas, small intestine, and part of the large intestine is called the abdominal cavity.
Step-by-step explanation:
The part of the ventral cavities, situated below the diaphragm and containing the liver, stomach, spleen, pancreas, small intestine, and part of the large intestine is called the abdominal cavity. The ventral cavity is a body cavity located at the front of the trunk and is subdivided into the thoracic and abdominopelvic cavities. The abdominal cavity is the largest cavity in the body and houses the digestive organs.