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.
Pupil. the opening in the iris through which light rays enter the eye. The dimensions of the pupil change according to the amount of light present: the pupil dilates in darkness, under emotional excitement and painful sensations, or with the injection of atropine or adrenalin into the body; it contracts in bright light.