求翻译：人类的脊椎由26块脊椎骨构成，被生理学家分成5大区域。从上至下第1-7块脊椎骨为第一区；8-19块为第二区；20-24块为第三区；第25块为第四区；第26块为第五区。是什么意思？

Human spine consists of 26 blocks constituted of the spine, is divided into 5 areas by physiologists. Di1-7 block as the first area of the spine from top to bottom; 8-19 for the second District; 20-24 for the third district; 25th gold is the fourth area; the 26th for the fifth district.

human spinal vertebral fractures by 26 blocks, the physiologist divided into 5 major regions. From the top down his spine, 1 -7 piece for the first district; 8 - 19 For the first 2 piece district; 20 - 24 pieces; the first 25 blocks in Area 3 For the first 4 district; the first 26 blocks as zone 5.

Humanity's vertebra by 26 spine constitutions, is divided into by the physiologist 5 wide ranges.From top to bottom the 1-7th spine is the first area; 8-19 is the second area; 20-24 is the third area; 25th is the fourth area; 26th is the fifth area.

Human spine consists of 26 blocks constituted of the spine, is divided into 5 areas by physiologists. Di1-7 block as the first area of the spine from top to bottom; 8-19 for the second District; 20-24 for the third district; 25th gold is the fourth area; the 26th for the fifth district.