a
cerebellum
b
brain
c
spinal cord
d
sensory neurones
Explanation
Correct Option
dVideo Explanation
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Raphaelle
3 months ago
Explanation
The nervous system is divided into two main parts: the Central Nervous System (CNS) and the Peripheral Nervous System (PNS). The PNS consists of all the neural structures outside the brain and spinal cord. Its primary components include:
Nerves: Bundles of axons that branch off from the brain (cranial nerves) and spinal cord (spinal nerves)
.Neurones: The PNS is functionally divided into sensory neurones (afferent), which carry information from receptors to the CNS, and motor neurones (efferent), which carry instructions from the CNS to muscles and glands
.Ganglia: Clusters of neuronal cell bodies located outside the cns


