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, black circle in the center of the iris which is the colored part of your eye. The pupil is actually a hole through which light passes to the retina, the light-sensitive layer in the back part of the eye. Your pupils are similar to a camera aperture. You control them subconsciously when you want to let more or less light into your camera (essentially, your brain).