Which of the following is a function of the appendix?

• A. Production of digestive enzymes.
• B. Storage of bile.
• C. Regulation of blood sugar levels.
• D. Immune response in the gut.

Answer: (D)

Verified step by step guidance

1. Understand the location and structure of the appendix: The appendix is a small, tube-like structure attached to the cecum, which is part of the large intestine.
2. Consider the role of the appendix in the human body: Historically, the appendix was thought to be a vestigial organ with no significant function.
3. Explore recent research findings: Recent studies suggest that the appendix may play a role in the immune system, particularly in maintaining gut flora and supporting immune responses.
4. Evaluate the options given: Production of digestive enzymes, storage of bile, and regulation of blood sugar levels are functions associated with other organs such as the pancreas and liver, not the appendix.
5. Conclude with the correct function: Based on current understanding, the appendix is involved in the immune response in the gut, helping to protect against infections and maintain a healthy balance of gut bacteria.