nervous system Flashcards
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1
Q
what do synapses do
A
diffuse electrical impulses from one neurone to another
1
Q
order of nervous system reacting to stimuli
A
receptor cell- sensory neurone- relay neurone -motor neurone-effector
2
Q
benefits of reflex arc
A
rapid
automatic
3
Q
role of iris
A
control how much light enters and exits eye
4
Q
role of lens
A
focus light
5
Q
role of pupils
A
control how much light goes to retina
