Answer:
The correct answer is - the iris.
Explanation:
The iris of the every person is unique as iris have unique patterns that vary person to person. It is a automated process of identifying or recognize an individual on the pattern of the iris that are unique in person to person.
The iris is the region of the eye in center of pupil and the white area of the eye. During the iris recognition the digital photograph that is stored in database is compared to the person for confirmation of the identification.
Thus, the correct answer is - the iris.
