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Where do certain symbiotic micro-organisms normally occur in human body?
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- Caecum
- Oral lining and tongue surface
- Vermiform appendix and rectum
- Duodenum
Correct Option: A
The caecum is a pouch-like portion of the large intestine which hosts some symbiotic micro-organisms. The caecum absorbs water and salts from undigested foods before they continue on to the large intestine.
