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Class 10 Science Medium Mcq English Medium

Which of the following structures is NOT part of the human central nervous system?

Question
Which of the following structures is NOT part of the human central nervous system?
Brain
Spinal cord
Adrenal gland
Both brain and spinal cord together
Answer
Adrenal gland
Detailed Explanation
The central nervous system consists only of the brain and spinal cord; the adrenal gland is an endocrine gland, part of the hormonal system, not the CNS.
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