The human vertebral column is a series of bones called vertebrae that protect the spinal cord. It is divided into distinct regions based on their anatomical position from the skull downwards.
The standard anatomical sequence from the superior (head) to the inferior (toe) end is as follows:
1. Cervical vertebrae (Neck region)
2. Thoracic vertebrae (Chest region)
3. Lumbar vertebrae (Lower back region)
4. Sacrum (Pelvic region)
5. Coccyx (Tailbone)
Comparing the sequence identified in Step 2 with the given options, Option (A) matches the correct anatomical order: Cervical, Thoracic, Lumbar, Sacrum.
Final Answer: A
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