Question

В состав поясничного отдела позвоночника входят: а) 7 позвонков,б) 12 позвонков, в) 3-4 позвонка, г) 5 позвонков

Answer 1

12 позвонков :):):):);)

Answer 2

Structure of the Lumbar Spine

The lumbar spine, or the lower back, is composed of a specific number of vertebrae. According to the search results, the structure of the lumbar spine includes:

a) 7 vertebrae b) 12 vertebrae c) 3-4 vertebrae d) 5 vertebrae

The lumbar spine consists of 5 vertebrae, labeled L1 to L5.

Conclusion

Based on the search results, the lumbar spine consists of 5 vertebrae, labeled L1 to L5.