Instructions Full Game: These are multiple-choice quizzes with four possible answer choices that include all questions in a given set.     
What part of the body fits the following description?
Lies below and at the back of the stomach. Both an endocrine gland and an exocrine gland. The endocrine part secretes insulin when the blood sugar becomes high and glucagon when the blood sugar is low.
gallbladder
liver
spleen
pancreas