A 17-year-old male presents with abdominal pain, constipation, and diarrhea. He says that this has been getting worse over the last several months, and that he has lost some weight. A blood analysis reveals a reduced number of red blood cells. An endoscopic examination reveals a smooth inner lining of the colon. During this procedure, a biopsy is taken, which reveals several areas with numerous lymphocytes. Which of the following is most likely?

The musculoskeletal system, also called the locomotor system, is an organ system that gives humans and animals the ability to move using their muscular and skeletal systems. It provides stability, form, support, and movement to the body. The skeleton is …

The skeletal system is the core framework of the human body. The skeletal structure comprises bones and connective tissue, including cartilage, ligaments, and tendons. The skeletal structure of our body acts as a support structure. It maintains the body'…