In an adult, the skeleton comprises around: mcq given below:
Q. In an adult, the skeleton comprises around: [ESIC Chennai May 2012](a) 40-50% of the total body weight
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| Do you Agree with Answer comment below |
🦴 Rationale: Adult Human Skeleton 🦴
In an adult human, the skeleton provides the body with shape, support, and protection.
The question is – What percentage of the total body weight does the skeleton constitute in an adult?
✅ Correct Answer: (d) 10–20% of the total body weight
In an adult human:
- Total number of bones → 206
- Weight of the skeleton → Approximately 10–20% of the total body weight
Hence, the skeleton forms a small but vital proportion of body weight.
Why are the other options incorrect?
(a) 40–50% → This percentage is too high; the skeleton does not contribute this much to body weight.
(b) 30–40% → This range is closer to the weight of muscles, not the skeleton.
(c) 60–70% → This corresponds roughly to the percentage of body water in adults.
✅ Exam Point:
Adult skeleton weight →
➤ 10–20% of total body weight
(Anatomy & Physiology – Common exam MCQ)
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