Biology
Spinal cord sections
Each person has 31 spinal cord segments: 8 cervical; 12 chest; 5 lumbar; 5 sacral; 1 Copchik. The rooms of the spinal cord segments do not coincide with the vertebral numbers.
Each person has 31 spinal cord segments: 8 cervical; 12 chest; 5 lumbar; 5 sacral; 1 Copchik. The rooms of the spinal cord segments do not coincide with the vertebral numbers.