What is abdominal cavity?

the abdominal cavity is set below the diaphragm and above the pelvic cavity.

it consists of most of the digestive organs such as the stomach, liver, gallbladder, intestines (part of the colon resides in the pelvic cavity), spleen

i need an image of the diagram

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.