Spinal Nervous System

(The spinal nerves and the area that they innervate are described in the section The peripheral nervous system: Spinal nerves.) central nervous system: humanThe brain and the spinal cord constitute the central nervous system.Created and produced by QA International.

Nerves – Neural tissue that conducts electrical impulses (messages) from the brain and spinal cord to all other parts of the body; also conveys sensory information from the body to the central nervous system. Nerve root – The initial portion of a spinal nerve as it originates from the spinal cord.

The central nervous system is composed of the spinal cord and the brain , The spinal cord is a cylindrical cord from which the spinal nerves extend , The spinal cord is 40 to 50 cm long and 1 cm to 1.5 cm in diameter .

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Spinal Nervous System

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