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BIO NMDCAT Human skeleton
nmdcat.online July 27, 2026

A child’s bone is more likely to bend than an adult’s bone because the child’s bones contain relatively:

A. More mineral salts and less collagen
B. More cartilage and organic matrix
✓
C. Less water and more calcium phosphate
D. Fewer osteoblasts

📝 Explanation

Correct: Children's bones contain more cartilage and collagen, making them more flexible. A & C: These increase rigidity. D: Osteoblast activity is actually higher during growth. Concept: Age-related differences in bone composition.

📖 Additional Information

  • More mineral salts and less collagen
  • More cartilage and organic matrix
  • Less water and more calcium phosphate
  • Fewer osteoblasts

Correct: Children's bones contain more cartilage and collagen, making them more flexible. A & C: These increase rigidity. D: Osteoblast activity is actually higher during growth. Concept: Age-related differences in bone composition.

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