1, authentication. We know that everyone's fingerprints are different, and now the public security organs will collect people's fingerprints as ident
1, authentication. We know that everyone's fingerprints are different, and now the public security organs will collect people's fingerprints as identification.
2, fingerprints can increase the friction of fingers, and it is not easy for us to slip when grasping things.
3. Fingerprint has the function of perspiration. When the hand temperature can be increased, you can reduce the temperature by sweating.
There are also new discoveries of fingerprints in the medical field. Some hereditary diseases can be detected by the changes of human fingerprints and palm prints.
With fingerprints, our sensory illusion can be more sensitive, and blind people can even read Braille with their hands, which makes their hands more sensitive than other parts. Because of fingerprints, the touch is so fine. Sensitive.