This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Back region, Subject name: Anatomy
[{'content': 'Which of these pas 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: Fetus - universal flexion - 1deg curvature After bih - Cervical Lordosis - 2deg curvature begins when child stas to gain head stability lumbar lordosis - convex anteriorly begins to appear when child learns to sit. Cervical lordosis - 2deg Thoracic kyphosis - 1deg Lumbar lordosis - 2deg Sacral kyphosis - 1deg', 'role': 'assistant'}]