3 Main functions of the nervous system
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8 terms
Terms | Definitions |
|---|---|
 What are the 3 main function of the nervous system? | Sensory Input Integration Motor Output |
| What is the SENSORY INPUT? | Receptors within and near body surface Respond to stimuli Send nerve impulses to CNS |
| What is INTEGRATION? | CNS receives, processes, and interprets sensory input Decides what to do with it. |
| What is MOTOR OUTPUT? | CNS sends out nerve impulses to effector organs (muscles and glands) in response to sensory input. |
| What makes up the CNS- Central nervous system? | The BRAIN and SPINAL CORD (2-way communication) |
| What makes up the PNS Peripheral nervous system? | 12 Pairs of Cranial Nerves 31 Pairs of Spinal Nerves |
| Which direction does the afferent nerves travel? Is it Motor or Sensory? | Afferent travels to CNS Sensory Neurons |
| Which direction does the efferent nerves travel, is it Motor or Sensory? | Efferent travels to PNS Motor Neurons |
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