爱华网人的脊椎共24节，分颈椎（上部）、胸椎（中部）、腰椎（下部），简记作：上七下五中十二。（意思是说颈椎共七节、腰椎共五节，中间的胸椎共12节）
每块脊椎骨的作用示意图如下：
解释：
颈椎前三节：
Sympatheticchain - To eyes, ears and other sense organs; glands and bloodvessels of the brain; immune response; bone growth; fat metabolism;reaction to stress; brain.
（交感神经链：眼睛，耳朵和其它感官，腺体和脑血管；免疫反应；骨胳生长；脂肪新陈代谢；压力反应；大脑）
七节颈椎分别用C1、C2、……、C7表示。
C1- Bloodsupply to the head; pituitary gland; scalp; bones of the face,brain, inner and middle ear; sympathetic nervous system;eyes.
C1-向脑部供血；脑垂体；头皮；面部骨胳，大脑，内耳和中耳，交感神经系统，眼睛。
C2- Eyes,optic nerves, auditory nerves, sinuses, mastoid bones, tongue,forehead, heart.
C2- 眼睛，视神经，听觉神经，鼻窦，颞骨，舌头、前额、心脏。
C3- Cheeks,outer ear, face, bones, teeth, trifacial nerve,lungs.
C3- 脸颊，外耳，面部，骨胳，牙齿，三叉神经，肺。
C4- Nose,lips, mouths, eustachian tube, mucus membranes,lungs.
C4- 鼻子，嘴唇，口腔，耳咽管，黏液膜，肺。
C5- Vocalcords, neck glands, pharynx.
C5- 声带，颈部腺体，咽喉。
C6- Neckmuscles, shoulder, tonsils.
C6- 颈部肌肉，肩，扁桃体。
C7- Thyroidgland, bursa in the shoulders, elbows.
C7- 甲状腺，肩、肘部的粘液囊
C7-T2:Brachial plexus - Forms the radial, ulnar, median and other nervesthat go to the muscles, joints and other structures of theshoulder, arm, wrist, hand and fingers.
C7-T2：臂丛（神经） -形成辐射状的，通向肌肉、关节和肩膀、前臂、腕、手、手指，尺骨和其它部位的神经
胸椎十二节：
T1-Armsfrom the elbows down, including hands, arms wrists and fingers;esophagus and trachea; heart.
T1-前臂，包括手、手腕和手指；食道和气管；心脏。
T2- Heart,including its valves and covering; coronary arteries; lungs;bronchial tubes.
T2-心脏，包括瓣膜，冠状动脉，肺、支气管。
T3- Lungs,bronchial tubes, pleura, chest, breast, heart.
T3-肺、支气管，胸膜、胸、乳房、心脏。
T4-Gallbladder, common duct, heart, lungs, bronchialtubes.
T4-胆囊、总胆管，心脏，肺，支气管。
T5- Liver,solar plexus, circulation (general), heart, esophagus,stomach.
T5-肝，腹腔神经丛，总循环，心脏，食道，胃。
T6-Stomach, esophagus, peritoneum, duodenum.
T6-胃，食道，腹膜，十二指肠。
T7-Pancreas, duodenum, stomach, liver, spleen, gallbladder,peritoneum.
T7-胰，十二指肠，胃，肝，脾，胆囊，腹膜。
T8- Spleen,stomach, liver, pancreas, gallbladder, adrenal cortex, smallintestine, pyloric valve.
T8-脾，胃，肝，胰，胆囊，肾上腺皮质，小肠，幽门瓣。
T9- Adrenalcortex, pancreas, spleen, gallbladder, ovaries, uterus, smallintestine.
T9-肾上腺皮质，胰，脾，胆囊，卵巢，子宫，小肠。
T10-Kidneys, appendix, testes, ovaries, uterus, adrenal cortex, spleen,pancreas, large intestine.
T10-肾，阑尾，睾丸，卵巢，子宫，腺上肾皮质，脾，胰，大肠。
T11-Kidneys, ureters, large intestine, urinary bladder, adrenalmedulla, adrenal cortex, uterus, ovaries, ileocecalvalve.
T11-肾，输尿管，大肠，膀胱，肾上腺髓质，肾上腺皮质，子宫，卵巢，回盲瓣。
T12- Smallintestine, lymph circulation, large intestine, urinary bladder,uterus, kidneys, ileocecal valve.
T12-小肠，淋巴循环，大肠，输尿管，子宫，肾脏，回盲瓣。
尾椎共五节：
L1- Largeintestine, inguinal rings, uterus
L1-大肠，腹股沟，子宫。
L2-Appendix, abdomen, upper leg, urinary bladder.
L2-阑尾，腹腔，大腿，输尿管。
L3- Sexorgans, uterus, bladder, knees, prostate, largeintestine.
L3-性器官，子宫，膀胱，膝盖，前列腺，大肠。
L4-Prostate gland, muscles of the lower back, sciaticnerve.
L4-前列腺，下背部肌肉，坐骨神经。
L5- Lowerlegs, ankles, feet, prostate.
L5-小腿，踝，脚，前列腺。
Sacralplexus - Form the sciatic as well as other nerves that go tomuscles, joints and other structures of the les, knee, ankle, feetand toes.
骶丛：坐骨神经和其它通往腿、膝、脚、脚趾部肌肉和关节的神经丛。
Sacrum -Hip bones, buttocks, rectum, sex organs, genitalia, urinarybladder, ureter, prostate.
骶骨：臀部骨胳，臀部，直肠，性器官，生殖器，膀胱，输尿管，前列腺。
Coccyx -Rectum, anus.
尾骨：直肠，肛门。
英文解释我试着翻译成中文，如有不当之处，请修正。
