Basic metabolic unit of bone is_______________?
Correct answer: A. Osteon
- A. Osteon
- B. Osteoblast
- C. Osteocyte
- D. Osteoclast
Explanation
The osteon, or Haversian system, is the basic structural and functional unit of compact bone and is organized around a central blood vessel. Osteoblasts, osteocytes, and osteoclasts are bone cells, not the bone unit itself.
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