Input (grade 13): The cecum is a pouch-like structure of the colon and the appendix is near the junction of the small intestine and the large intestine and has abundant infection-fighting lymphoid cells, which suggests it plays a role in the immune system.
Output (grade 5): The cecum is a pouch-like structure of the colon. The appendix is near the junction of the small intestine and the large intestine.