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parasympathetic and sympathetic (Sympathetic (Results in pupils dilating,…
parasympathetic and sympathetic
Ganglion- a nerve cell cluster or a group of nerve cell bodies located In he autonomic nervous system and sensory system.
Parasympathetic
Function
it is a homeostatic system promoting the quiet and orderly processes of the body
constricts pupils
stimulates peristalsis and secretion of digestive juices
promotes the building/conservation of glycogen
They are involuntary
it is more restricted than the sympathetic system in its distribution
viscera cavities of the trunk
erectile tissues of the external genitalia
the head
functional organisation
somatic nervous system
under conscious control
used when you voluntarily decide to do something
Autonomic nervous system
works constantly
it is under subconscious control
it is further divided by function in to the
sympathetic
if the out come is increasing the activity
parasympat
If the outcome decreases the activaty
mammalian nervous system
central nervous system (CNS)
brain and spinal cord relay neurones
peripheral nervous system PNS
everything else sensory and motor neurones
autonomic nervous system
subconscious controle input from internal receptors out put to smooth muscle and glands
parasympathetic motor system
relaxing response neurotransmitter
sympathetic motor system
fight or flight responses neurotransmitter- noradrenaline
Sympathetic
Results in pupils dilating
vasoconstriction of blood vessels
sweeting
release of adrenaline
causes fight or flight
it is a excitatory in nature
neurotransmitter is noradrenalin