I connected with Central High School students from his office in Washington, D.C. by hosting a live video chat and answering dozens of questions. As one of the youngest members of Congress, Representative Smith has embraced new technology to stay connected with constituents when he is in Washington, D.C.
Pupil is an opening, thus is controls the amount of light that enters our eye. The pupil in your eye is actually a hole in which light and pictures can be viewed. Stuff doesn't go in it because our pupils are covered with a protective layer called the lense. To control the amount of light entering the eye.
The pupil is the round opening in the middle of the iris or colored part of the eye. The pupil usually constricts or becomes smaller when exposed to light, and tends to dilate or become larger under low lighting or dark conditions. The human lens can be thought of as being similar in shape to a magnifying lens.