Coelom is lined by__________?
Correct answer: D. Both A & B
- A. Parietal mesoderm
- B. Visceral mesoderm
- C. Mesoderm
- D. Both A & B
Explanation
A coelom is a body cavity completely lined by mesoderm, with parietal mesoderm against the body wall and visceral mesoderm around the organs. Therefore, both layers line it. Students may choose c because mesoderm is the general tissue involved, but it does not identify the two specific linings.
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