Q. 35.0( 2 Votes )

Complete the foll

Answer :

(i) The dorsal root ganglion of the spinal cord contains cell bodies of sensory neurons.


Explanation: A dorsal root ganglion is a cluster of nerve cell bodies (a ganglion) in a dorsal root of a spinal nerve. The dorsal root ganglia contain the cell bodies of sensory neurons (afferent).


(ii) The correct answer is: option (ii)


Explanation: The cerebellum receives information from the sensory systems, the spinal cord, and other parts of the brain and then regulates motor movements. The cerebellum coordinates voluntary movements such as posture, balance, coordination, and speech, resulting in smooth and balanced muscular activity.


(iii) Spinal cord


Explanation: A reflex arc is a neural pathway that controls a reflex. In vertebrates, most sensory neurons do not pass directly into the brain, but synapse in the spinal cord. Afferent nerve fibers carry signals from the somatic receptors to the posterior horn of the spinal cord or to the brainstem.


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