Biometrics has evolved into a multi-use tool for corporations and government organizations. While the surface is just being scratched as far as the full potential of biometrics, a basic knowledge of the science involves an understanding of the two types of biometric systems: physiological biometrics, sometimes called Physiometrics, and behavioral biometrics, often known as Behaviometrics. Physiological biometric systems compile and analyze physical characteristics associated with a subject or group of subjects. Examples of physiological biometric applications include retinal…