As the iris of the eye contracts and relaxes, an opening at its center, called the ________, grows larger or smaller, regulating the amount of light that enters the eye.

Question

Quizplus · Accepted Answer

The Answer of As the iris of the eye contracts and relaxes, an opening at its center, called the ________, grows larger or smaller, regulating the amount of light that enters the eye.

As the Iris of the Eye Contracts and Relaxes, an Opening