what are two main parts of nervous system?
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['The central nervous system is made up of the brain and spinal cord.', 'The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body.']
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Nervous tissue first arose in wormlike organisms about 550 to 600 million years ago. In vertebrates it consists of two main parts, the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS consists of the brain and spinal cord.
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The nervous system of vertebrates has two main divisions: the central nervous system, consisting of the brain and spinal cord, and the peripheral nervous system, which in humans includes 12 pairs of cranial nerves, 31 pairs of spinal nerves, and the autonomic, or involuntary, nervous system.
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The two fundamental anatomical divisions of the nervous system are the Central Nervous System (brain and spinal cord) and the Peripheral Nervous System, which consists of all nerves outside the brain and spinal cord. Central nervous system and peripheral nervous system - This is the correct answer.
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Autonomic Nervous System. The autonomic nervous system is divided into three parts: the sympathetic nervous system, the parasympathetic nervous system and the enteric nervous system. The autonomic nervous system controls smooth muscle of the viscera (internal organs) and glands.
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['The Nervous System is. One of the two main communication systems in the body.', 'The Nervous System Coordinates. all the activities of the body carrying messages from one cell to the next.', 'The Nervous System Enables. ... ', 'Basic structural unit is. ... ', 'Each neuron consists of: ... ', 'Neurons: ... ', 'Dendrites. ... ', 'Axon is.']
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The two fundamental anatomical divisions of the nervous system are the Central Nervous System (brain and spinal cord) and the Peripheral Nervous System, which consists of all nerves outside the brain and spinal cord.
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The nervous system consists of the brain, spinal cord, sensory organs, and all of the nerves that connect these organs with the rest of the body.
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The peripheral nervous system is itself classified into two systems: the somatic nervous system and the autonomic nervous system.
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The Central Nervous System is the integration and command center of the body. It consists of the brain, spinal cord and the retinas of the eyes. The Peripheral Nervous System consists of sensory neurons, ganglia (clusters of neurons) and nerves that connect the central nervous system to arms, hands, legs and feet.
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Divisions of the Nervous System The CNS is comprised of the brain, cerebellum and spinal cord. Remaining neurons, and associated cells, distributed throughout the body form the PNS. The nervous system has three broad functions: sensory input, information processing, and motor output.
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The peripheral nervous system itself is divided into two parts: the somatic nervous system and the autonomic nervous system. Each of these components plays a critical role in how the peripheral nervous system operates.
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The nervous system has two major divisions, called the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS includes the brain and spinal cord, and the PNS consists mainly of nerves that connect the CNS with the rest of the body.
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The vertebrate system. The nervous system of vertebrates has two main divisions: the central nervous system, consisting of the brain and spinal cord, and the peripheral nervous system, which in humans includes 12 pairs of cranial nerves, 31 pairs of spinal nerves, and the autonomic, or involuntary, nervous system.
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The nervous system is comprised of two major subdivisions, the central nervous system (CNS) and the peripheral nervous system (PNS).
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The brain has three main parts: Cerebrum. Cerebellum. Brain stem.
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The central nervous system (CNS) controls most functions of the body and mind. It consists of two parts: the brain and the spinal cord. The brain is the center of our thoughts, the interpreter of our external environment, and the origin of control over body movement.