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Questions and Answers
The human neural system is divided into two parts : the ______ neural system and the peripheral neural system.
central
The CNS includes the ______ and the spinal cord and is the site of information processing and control.
brain
The nerve fibres of the PNS are of two types : ______ fibres and efferent fibres.
afferent
The afferent nerve fibres transmit impulses from ______ to the CNS.
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The PNS is divided into two divisions called ______ neural system and autonomic neural system.
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The autonomic neural system is further classified into ______ neural system and parasympathetic neural system.
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Visceral nervous system is the part of the peripheral nervous system that comprises the whole complex of ______, fibres, ganglia, and plexuses.
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The autonomic neural system transmits impulses from the CNS to the ______ organs and smooth muscles of the body.
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What is the primary function of the CNS?
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What type of nerve fibers transmit impulses from the CNS to peripheral tissues?
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What is the function of the somatic neural system?
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What is the visceral nervous system part of?
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What is the site of information processing and control in the human neural system?
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What type of nerve fibers transmit impulses from tissues to the CNS?
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What is the autonomic nervous system divided into?
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What is the function of the autonomic nervous system?
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Study Notes
The Human Neural System
- Divided into two parts: Central Nervous System (CNS) and Peripheral Nervous System (PNS)
Central Nervous System (CNS)
- Includes the brain and spinal cord
- Site of information processing and control
Peripheral Nervous System (PNS)
- Comprises of all the nerves of the body associated with the CNS (brain and spinal cord)
- Divided into two types of nerve fibres:
- Afferent fibres: transmit impulses from tissues/organs to the CNS
- Efferent fibres: transmit regulatory impulses from the CNS to peripheral tissues/organs
Divisions of Peripheral Nervous System (PNS)
- Somatic neural system: relays impulses from CNS to skeletal muscles
- Autonomic neural system: transmits impulses from CNS to involuntary organs and smooth muscles
- Autonomic neural system is further classified into:
- Sympathetic neural system
- Parasympathetic neural system
Visceral Nervous System
- Part of the peripheral nervous system
- Comprises the whole complex of nerves, fibres, ganglia, and plexuses
- Enables impulses to travel from CNS to viscera and from viscera to CNS
The Human Neural System
- Divided into two parts: Central Nervous System (CNS) and Peripheral Nervous System (PNS)
Central Nervous System (CNS)
- Includes the brain and spinal cord
- Site of information processing and control
Peripheral Nervous System (PNS)
- Comprises of all the nerves of the body associated with the CNS (brain and spinal cord)
- Divided into two types of nerve fibres:
- Afferent fibres: transmit impulses from tissues/organs to the CNS
- Efferent fibres: transmit regulatory impulses from the CNS to peripheral tissues/organs
Divisions of Peripheral Nervous System (PNS)
- Somatic neural system: relays impulses from CNS to skeletal muscles
- Autonomic neural system: transmits impulses from CNS to involuntary organs and smooth muscles
- Autonomic neural system is further classified into:
- Sympathetic neural system
- Parasympathetic neural system
Visceral Nervous System
- Part of the peripheral nervous system
- Comprises the whole complex of nerves, fibres, ganglia, and plexuses
- Enables impulses to travel from CNS to viscera and from viscera to CNS
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Description
Explore the structure and function of the human nervous system, including the Central Nervous System and Peripheral Nervous System.
