12.1 Basic Structure and Function of the Nervous System - Anatomy and Physiology _ OpenStax.pdf

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11/30/21, 12:10 PM12.1 Basic Structure and Function of the Nervous System - Anatomy and Physiology | OpenStax1/112The Nervous System and Nervous Tissue12.1Basic Structure and Function of the Nervous SystemThecentral nervous system (CNS)is the brain and spinal cord, and theperipheral nervoussystem (PNS)iseverything else (). The brain is contained within the cranial cavity of the skull, and the spinal cord is containedwithin the vertebral cavity of the vertebral column.The peripheral nervous system is so named because it is on the periphery—meaning beyondthe brain and spinal cord.A localized collection of neuron cell bodies in the CNS is referred to as a
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