Select the one best answer. Click on the image for a larger view.
1: Identify the organ:
Lung Heart Thymus Liver
2: What is enclosed by the circle?
Liver cells Germinal center Pancreatic juice Lymphatic nodules
Cancer cells in the liver. Pancreatic juice in the duodenum. Blue splotches in purple stuff. Lymphatic nodules with germinal centers in the gut.