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🔬 Biology  ·  Neural Control and Coordination  ·  NEET

A quick reflex such as withdrawing the hand from a pin is controlled mainly by the:

Answer: Spinal cord.

  • A Cerebrum
  • B Cerebellum
  • C Spinal cord
  • D Thalamus

Correct answer: C. Spinal cord

Explanation: A spinal reflex is processed by the spinal cord's reflex arc, giving a rapid response without waiting for the brain.

Labeled diagram of a neuron showing dendrites, cell body (soma) with nucleus, axon, myelin sheath, Nodes of Ranvier, and axon terminals

Structure of a neuron. Image: LadyofHats (Mariana Ruiz), Public Domain, via Wikimedia Commons.

Concept context

Brain, spinal cord, neurons, reflex arcs, and sense organs.

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