Answer:
1. Skin is a major part of the human body, the physical characteristics of the skin are; One, Skin is a outer side of a human body, it protects the organs and bones inside of it. Two Skin is a muscular outside form, it can copy the genetics of the inner muscle because the skin is a muscle just have a protection of it. Three, Skin is a sensitive skin, almost, because of bruises. Last, Skin is not much protective because if you had an accident any part of your bones can break and have some bruises and major impact to the organs of the body.
2. Fingerprint, Fingerprint is a genetic code that cannot change trough copy from pictures, blood, organs. Fingerprint is different as anyone, anyone has an own genetic Fingerprint.
3. Copy/Extension of a real fingerprint
4. Formation or expanding a skin part from a muscle
5. Feeling good
6. By sensing it when it Touched, Feeling the environment, and by emotions.
7. By Doing it carefully or by doing it manually
Explanation: