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Question

Which of the following organ is part of central nervous system in humans?

I. Heart

II. Spinal cord

The correct answer is

Only II

The human nervous system is broadly divided into the central nervous system and the peripheral nervous system.

The central nervous system (CNS) consists of just two organs: the brain and the spinal cord.

The spinal cord is therefore a part of the central nervous system, serving as the main pathway for information between the brain and the body.

The heart is a muscular organ of the circulatory system and is not part of the nervous system at all.

Hence, among the given options only the spinal cord belongs to the CNS, making the answer Only II.

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