Nervous system
- Created by: Jordan64
- Created on: 23-08-17 18:04
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- Nervous system: specialised network of cells & primary communication system
- Collects, processes and responds to information in environment
- Coordinates the workings of different organs in body
- Central Nervous System (CNS)
- Made up of brain and spinal cord
- Brain centre of all conscious awareness
- Made up of brain and spinal cord
- Spinal chord extension of brain responsible for reflex actions
- Passes message to and from brain and connects nerves to PNS
- Peripheral Nervous System (PNS)
- Transmits messages via neurons to and from nervous system
- Divided into Automatic Nervous System (ANS) and Somatic Nervous System (SNS)
- ANS: governs vital functions in body: breathing, heart rate, digestion, sexual arousal & stress responses
- SNS: controls muscle movement and receives information from sensory receptors
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