List all the parts and sub-parts for the Peripheral Nervous System: A) Sensory division B) Motor division 1) Somatic Nervous System (conscious) 2) Autonomic Nervous System (unconscious) a) Sympathetic division b) Parasympathetic division.
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Interneurons relay signals between motor and sensory neurons. The nervous system consists of the brain, spinal cord, and a complex network of neurons. This system is responsible for sending, receiving, and interpreting information from all parts of the body.
http://biology.about.com/od/organsystems/ss/central-nervous-system.htm
1) Sensory neurons-transmit impulses To the brain or spinal cord. 2) Motor neurons-transmit impulses AWAY from the brain or spinal cord TO muscles or glands. 3) Interneurons-conduct impulses from AFFERENT neurons to EFFERENT neurons. Are found only in the brain and spinal cord.
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The central nervous system (CNS) is the part of the nervous system consisting of the brain and spinal cord.
https://en.wikipedia.org/wiki/Central_nervous_system
Rostrally to the spinal cord lies the brain. The brain makes up the largest portion of the central nervous system, and is often the main structure referred to when speaking of the nervous system. The brain is the major functional unit of the central nervous system. While the spinal cord has certain processing ability such as that of spinal locomotion and can process reflexes, the brain is the major processing unit of the nervous system.
https://en.wikipedia.org/wiki/Central_nervous_system
- The Efferent (motor) nervous system consists of all the nerve pathways carrying signals OUT of the brain and/or spinal cord. - The Afferent (sensory) nervous system is all of the nerve pathways carrying signals TO the brain and/or spinal cord.
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From and to the spinal cord are projections of the peripheral nervous system in the form of spinal nerves (sometimes segmental nerves). The nerves connect the spinal cord with skin, joints, muscles etc. and allow for the transmission of efferent motor as well as afferent sensory signals and stimuli.
https://en.wikipedia.org/wiki/Central_nervous_system
- The Somatic nervous system pathways carry impulses to the skeletal muscles. - The Autonomic nervous system (ANS) pathways carry impulses to the smooth muscles, cardiac muscles, and glands.
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The two main organs of the CNS are the brain and spinal cord. Photo Credit: Credit: Dream Designs/ FreeDigitalPhotos.net. The central nervous system (CNS) is the processing center for the nervous system. It receives information from and sends information to the peripheral nervous system. The two main organs of the CNS are the brain and spinal cord. The brain processes and interprets sensory information sent from the spinal cord.
http://biology.about.com/od/organsystems/ss/central-nervous-system.htm
Microscopically, there are differences between the neurons and tissue of the central nervous system and the peripheral nervous system. The central nervous system is divided in white and gray matter.
https://en.wikipedia.org/wiki/Central_nervous_system
what are the two major parts of the nervous system
The two major parts of the nervous system are central nervous system and the peripheral nervous system.