Write any 6 differences between CENTRAL nervous system and PERIPHERAL nervous system.
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CNS is the Central Nervous System that functions in order to coordinate each and every activity taking place in all the parts of the body of every bilaterian organism (animals evolved to a better organic stage than sponges and jellyfish). The central nervous system, in vertebrates is placed inside the meninges and consists of the brain and the spinal cord. On the other hand the PNS or the Peripheral Nervous System exists and extends outside the Central Nervous System.
The Central Nervous System is placed safely within the dorsal cavity, the brain placed inside the cranial cavity and the spinal cord in the spinal cavity. The skull protects the brain and the vertebra protects the entire spinal cord. But like the CNS the Peripheral Nervous System is not protected by any bone or blood-brain barrier. It remains open to all sorts of mechanical injuries and toxins as well. It consists of the autonomic nervous system and the somatic nervous system.
The Central Nervous System is placed safely within the dorsal cavity, the brain placed inside the cranial cavity and the spinal cord in the spinal cavity. The skull protects the brain and the vertebra protects the entire spinal cord. But like the CNS the Peripheral Nervous System is not protected by any bone or blood-brain barrier. It remains open to all sorts of mechanical injuries and toxins as well. It consists of the autonomic nervous system and the somatic nervous system.
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