A girl has her eyes shut and is standing inside a brightly lit room. What happens to her pupils when she opens her eyes? Why?(1 point)
Responses
A. Her pupils shrink because the muscles relax.
B. Her pupils grow because the muscles relax.
C. Her pupils grow because the muscles contract.
D. Her pupils shrink because the muscles contract.
B. Her pupils grow because the muscles relax.
When she opens her eyes in a brightly lit room, her pupils will dilate or grow larger to allow more light to enter the eye and be processed by the retina. This is because the bright light stimulates the iris muscles to relax and allow the pupil to enlarge.