This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
Primary curvatures of veebral column are 
Select and explain. 
A. Cervical & lumbar, B. Thoracic & sacral, C. Cervical & thoracic, D. Thoracic & Lumbar
B: Thoracic & sacral
Answer: B: Thoracic & sacral 
Explanation: .