In the eye's case, however, the film screen is your retina. Your retina is in the very back of the eye. It holds millions of cells that are sensitive to light. The retina takes the light the eye receives and changes it into nerve signals so the brain can understand what the eye is seeing. A Muscle Makes It Work
Dentures, also known as false teeth, are prosthetic devices constructed to replace missing teeth; they are supported by the surrounding soft and hard tissues of the oral cavity.
Dentist Info. Dentistry is the practice of taking care of teeth and gums. There are several specializations of dentistry such as oral surgery or periodontics. Dentists provide services such as general cleanings, cavity fillings and tooth caps.