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It is night time. Cathy walks into her house and puts the light on
The bright light makes her pupils go smaller.
This happens very quickly.
The diagram shows Cathy's eyes before she puts the light on.
SVAR
The diagram shows Cathy's eyes after she puts the light on.
1
WAKUU
mahta
KRAN
(a)
Cathy's pupils getting smaller is an example of a reflex action.
Write down two things which show that this is a reflex.
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It is night time. Cathy walks into her house and puts the light on
The bright light makes her pupi...
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