Flowchart
Nervous System Overview
Flowchart content
Nervous System
Central Nervous System (CNS)
Peripheral Nervous System (PNS)
Brain
Spinal Cord
Sensory (afferent division)
Motor (efferent division)
Somatic (voluntary) Nervous System
Autonomic Nervous System
Somatic sensory fibres
Visceral sensory fibres
Conveys sensory impulses from skin, skeletal muscles, joints, cornea and conjunctiva
Conveys sensory impulses from visceral organs (e.g. digestive tract)
Conscious control of skeletal muscles.
The ANS function:
Visceral motor nerve fibres.
Involuntary system.
Regulates smooth muscle (e.g. iris, CB), cardiac muscle and glands (e.g. lacrimal)
Parasympathetic Nervous System
"rest and digest"
Sympathetic Nervous System
"fight or flight"
Information
- Description
- Flow diagram showing the different divisions of the NS
- Created by
- Optom Life
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