The functions of the nervous system

In this topic

• The reflex — the basic form of the nervous system's work
• The reflex arc and feedback
• How the somatic and autonomic systems work
• Coordination, excitation and inhibition

Key terms

• Reflex
• Reflex arc
• Receptor
• Nerve centre
• Effector
• Feedback
• Unconditioned reflex
• Conditioned reflex
• Sympathetic division
• Parasympathetic division
• Inhibition
• Homeostasis

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