structure of nervous system
- Created by: vezting
- Created on: 18-10-15 17:44
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- Structure of the nervous system
- somatic
- controls conscious activities EG running
- motor neaurones carry impusles from CNS to skeletal muscles
- Autonomic
- control unconscious activites EG digestion
- motor neurones carry impulses from CNS to cardiac and sooth muscles
- parasympathetic
- 'rest and digest'
- active in sleep and relaxation
- decreased heart rate, pupil constriction,decreased ventilation, sexual arousal
- sympathetic
- 'Fight or Flight'
- most active in times of stress.
- increased heart rate, pupil dialation, increased ventilation rate, ******
- the peripheral nervous system consists of all sensroy and motor neurones outisde the CNS connecting the receptors and effector to the CNS
- somatic
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