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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
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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

User Markharrop
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2 Answers

6 votes
B. light
the pupil will constrict in response to brighter light been shined in the eye
User Butesa
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5.8k points
6 votes
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
User Serg M Ten
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