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Spinal Cord & ANS
Spinal Cord, Peripheral Nervous System
- Vertebral column
- Encases and protects the spinal cord.
- Spinal cord
- Connects the brainstem to the peripheral nervous system.
Autonomic nervous system
- Facilitates states of action and rest.
- The parasympathetic nervous system is active in state's of "rest".
- The sympathetic nervous system is active in states of "action" — it produces the "fight-or-flight" response.