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Central Nervous System

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Presentation on theme: "Central Nervous System"— Presentation transcript:

1 Central Nervous System
Peripheral Nervous System Somatic N.S. Autonomic N.S. Voluntary Involuntary

2 Peripheral Nervous System
Somatic N.S. Autonomic N.S. Skeletal Muscle Parasympathetic Division Sympathetic Division Cardiac, Smooth muscle and Glands

3 Somatic Nervous System (SNS)
CNS One motor neuron to a single effector tissue: Effector Tissue Skeletal muscle Autonomic Nervous System (ANS) Two motor neurons to many effector tissues: Effector Tissue Cardiac muscle Smooth muscle and glands

4 Somatic Nervous System (SNS)
Effector Tissue is Skeletal Muscle Control is Voluntary (except reflexes) Autonomic Nervous System (ANS) Effector Tissue is Cardiac & Smooth Muscle and Glands Control is Involuntary (except biofeedback) Parasympathetic: “Rest & Digest”, Craniosacral Origins, convergent. Ganglion close to effector tissue. Sympathetic: “Fight or Flight”. Thoracolumbar Origins, divergent. Ganglion close to spinal cord.

5 Functional components, and anatomical subdivisions.

6

7

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