Question

Where do certain symbiotic microorganisms normally occur in the human body?

• A. Oral lining and tongue surface
• B. Vermiform appendix and rectum
• C. Duodenum
• D. Caecum

Answer 1

The correct option is D Caecum

The caecum is a pouch or large tubelike structure in the lower abdominal cavity that receives undigested food material from the small intestine and is considered the first region of the large intestine. The caecum houses specialized symbiotic bacteria.