Final answer:
Ulcerative colitis is an inflammatory bowel disease that presents with symptoms of bloody diarrhea, while Crohn's disease also causes bloody diarrhea but can affect any part of the GI tract.
Step-by-step explanation:
The correct answer to which disease presents with bloody diarrhea is ulcerative colitis. Ulcerative colitis is a form of inflammatory bowel disease that specifically causes inflammation and ulcers in the colon and rectum, leading to symptoms such as lower abdominal pain and bloody diarrhea. Inflammatory bowel disease includes conditions like Crohn's disease and ulcerative colitis, in which the body's immune system mistakenly attacks the digestive system. Crohn's disease can cause bloody diarrhea as well, but it affects any part of the GI tract and is not confined just to the colon. In contrast, diseases like intussusception and Hirschsprung's disease do not typically present with bloody diarrhea.