If you were studying the structure in the human eye which regulates the size of the pupil as you focus on an object you would be studying the:

Name: If you were studying the structure in the human eye which regulates the size of the pupil as you focus on an object you would be studying the:
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Question

Quizplus · Accepted Answer

The iris regulates the size of an opening called the pupil.The pupil,like the aperture on a camera lens,regulates the amount of light entering the eye.

If You Were Studying the Structure in the Human Eye