The structure and function of the four types of glial cells within the CNS and the two types of glial cells within the peripheral nervous system PNS. Concept introduction: The nervous system controls and coordinates all the activities of the animals. It is classified into two major types, namely the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS includes the brain and spinal cord. The PNS includes neurons and ganglia. The primary tissue of this system is the nervous tissue.

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Chapter 12.4, Problem 15LO

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To describe: The structure and function of the four types of glial cells within the CNS and the two types of glial cells within the peripheral nervous system PNS.

Concept introduction: The nervous system controls and coordinates all the activities of the animals. It is classified into two major types, namely the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS includes the brain and spinal cord. The PNS includes neurons and ganglia. The primary tissue of this system is the nervous tissue.

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