To identify:
The two anatomical divisions of the nervous system
Introduction:
Nervous system is responsible for controlling whole system of the body and coordinating essential functions of the body. This system comprises of neurons and the glial cells, which are the functional units of the system.
Explanation of Solution
The functional units of the nervous system are responsible for performing functions of the nervous system, and these functional units, perform their tasks according to the anatomical division in which they are present.
The two anatomical divisions of the nervous system are, the central nervous system CNS and the peripheral nervous system PNS.
- The central nervous system consists of the brain and spinal cord. The components of these organs include neural tissue, blood vessels and various connective tissues. The functions of this system include integration, processing, and coordination of sensory data, and motor command control. The other major function of this system is to provide higher functions, which are memory, intelligence, learning, and emotion.
- The peripheral nervous system consists of all the neural tissues, which are present outside the central nervous system. The function of this system is to provide sensory information to the central nervous system. The components of this system include nerve fibers, blood vessels and connective tissues. These components collectively are known as nerves, which are responsible for carrying sensory information and motor commands in the system. The cranial nerves and spinal nerves are two types of nerves present within the system, and they are connected to the brain and the spinal cord respectively.
The central nervous system and the peripheral nervous system, are the two anatomical divisions of the nervous system.
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