His diagram shows the digestive system. The diagram shows digestive system. On the top of the diagram there is tube of esophagus which is attached to stomach. On the right side of stomach there is liver in dark color. Exactly below the liver there is pancreas. Below the pancreas there is large intestine and small intestine. At the end of the diagram there is appendix and rectum.

What word or words would you write on the line to label the organ?