Question

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

Answer 1

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

Answer 2

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