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Cells in the Human eye send nerve impulses to the brain that cause the pupil to constrict. This is an example of a reaction to what kind of internal stimuli?
A.Chemicals
B.Light
C.Touch
D.Sound

Respuesta :

budwilkins
B. light
the pupil will constrict in response to brighter light been shined in the eye
Hey there 

the answer is (B) Light (Electromagnetic energy/Light waves)

Hopes this Helps u 

p.s Drugs are another thing that can cause the pupil to constrict 

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