To which organ system do the esophagus, liver, pancreas, small intestine, and colon belong?
A B C D
reproductive system excretory system digestive system endocrine system
Question: To which organ system do the esophagus, liver, pancreas, small intestine, and colon belong?
(A) reproductive system
(B) excretory system
(C) digestive system
(D) endocrine system

Answer: (C) digestive system
Answer: (A) reproductive system
Question: To which organ system do the esophagus, liver, pancreas, small intestine, and colon belong?
(A) reproductive system
(B) excretory system
(C) digestive system
(D) endocrine system
Answer: (C) digestive system