Neurology is the medical specialty that is concerned with the study and treatment of disorders of:

Explanation: Correct Answer: Neurology is the scientific field targeted on issues of the apprehensive machine, mainly the mind, spinal cord, and peripheral nerves. Other Options: (A) Spinal twine - Neurology does cover the spinal cord, but it's far broader, together with the mind and peripheral nerves. (B) Human cranium - More associated with neurosurgery or orthopedics. (D) Cardiac nerves - These are specially studied in cardiology, not neurology.