Final answer:
The types of inflammatory bowel disease include 1. Ulcerative colitis and 2. Crohn's disease. Intussusception is not a type of inflammatory bowel disease, so the correct answer is B. 2 only.
Step-by-step explanation:
The types of inflammatory bowel disease include 1. Ulcerative colitis and 2. Crohn's disease. Intussusception is not a type of inflammatory bowel disease, so the correct answer is B. 2 only.