The nervous system
- Created by: Kerry
- Created on: 29-03-13 08:44
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- The Nervous System
- Sense Organs
- Eyes
- Light receptors
- Ears
- Sound and Balance receptors
- Nose
- Smell receptors
- Tongue
- Taste receptors
- Skin
- Sensitive to touch, pressure and temp change
- Eyes
- Central Nervous System
- Coordinates a responce
- Consists of the brain and the spinal cord
- Neurones transmit information (electrical pulses)
- Instructions from CNS are sent to effectors
- Neurones
- Sensory
- Nerve cells that carry signals as electrical impulses from receptors to CNS
- Motor
- Nerve cells that carry signals to effectors
- Sensory
- Effectors
- Muscles and glands
- Muscles contract and glands secrete hormones
- Sense Organs
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