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the Nervous System
functional organization of the nervous system
| Term | Definition |
|---|---|
| sensory function | receiving info |
| sensory (which nervous system?) | PNS |
| integrative function | processing info |
| integrative (which nervous system?) | CNS |
| motor (which nervous system?) | PNS |
| efferent neurons (motor neurons) | carry info AWAY from CNS and innervate effectors |
| afferent neurons (sensory neurons) | carry info TOWARDS the CNS |
| Reflex (reflex arc) | direct motor response to sensory input or stimuli that occurs without conscious thought or involuntary. a sensory neuron directly innervates a motor neuron in spinal cord |
| overview of nervous system (graph) | 1. CNS---brain + spine 2. PNS-- |