Biology · Skeletal System
In an adult human, how many fused vertebrae form the single sacrum bone?
- 13 vertebrae fuse into 1 bone
- 24 vertebrae fuse into 1 bone
- 37 vertebrae fuse into 1 bone
- 45 vertebrae fuse into 1 bone✓
Correct answer
5 vertebrae fuse into 1 bone
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