This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
[{'content': 'Which of this pa of veebral canal will show secondary curves with concavity backwards? \nSelect and explain. \nA. Cervical, B. Thoracic, C. Sacral, D. Coccyx', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Cervical Because of cervical & lumbar lardosis, the secondary (2deg) curves of cervical & lumbar region show anterior convexity (or posterior concavity)', 'role': 'assistant'}]