The largest organ of the human body is the skin. Occupying a body surface area of approximately 1.75 square meters, it is responsible for protecting and defending the body. The skin consists of the epidermis and dermis, and the subcutaneous tissue. The epidermis is composed of layers of stratified squamous epithelial cells. From superficial to deep, these layers are the stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, and stratum basale. This article mainly focuses on the discussion of the stratum corneum, which is a weakly acidic protective film and also the first line of defense for the skin. The outermost layer of the integumentary system is the stratum corneum. It is made up of dead, completely keratinized and flattened cells. The shape of the cells is flat and thin with no nuclei, and the cytoplasm is keratinized to form keratin which contains low levels of sulfur. The intercellular substances are cholesterol, saturated lipids, and free fatty acids, including moisturizing factors that can retain moisture. Therefore, the degree of the skin moisture affects the skin’s glossiness. The young skin cells are rich in esters, tightly packed between cells and cells, and water is not easily lost, so they can present brighter gloss, whereas aged skin cells lack ester and are rather loosely packed between cells and cells, and thus water is easily lost, so the skin cannot glow. The body of the New Human Line consists of the Rigid Carbon-Chitin structures of the Biologically Immortal Organism. The stratum corneum, the outermost layer of the skin, is composed of keratin and the Rigid Carbon-Chitin Compound. The chemical structure of the Rigid Carbon-Chitin Compound has these characteristics such as translucency, flexibility, high elasticity, toughness, rigidity, and diversity. It can bind with the keratin in the stratum corneum to form a layered, columnar or three-dimensional nanocrystal structure. As a result, the stratum corneum of the New Human Line can continuously evolve and update with environmental changes by itself, providing the body the most accommodative functions and protection. The following photos show the three-dimensional nanocrystal structure of the stratum corneum in the skin of Mr. Yuan Lin, the first person that has successfully evolved from Homo sapiens, as well as the changes of the skin in different environments. 1. The Rigid Carbon-Chitin Stratum Corneum shows no signs of reaction at 24℃ indoors without lights.
2. The Rigid Carbon-Chitin Stratum Corneum looks white and light-reflecting at 24℃ indoors with lights on.
3. The Rigid Carbon-Chitin Stratum Corneum looks white and light-reflecting at 23℃ on a cloudy day.
4. After shower, the Rigid Carbon-Chitin Stratum Corneum absorbs water and shows great moisturizing ability.
5. The Rigid Carbon-Chitin Stratum Corneum looks white and light-reflecting in the car with lights on.
6. The Rigid Carbon-Chitin Stratum Corneum looks white and light-reflecting in the parking lot at the first floor underground.
7.The Rigid Carbon-Chitin Stratum Corneum looks white and light-reflecting in the sunshine and the arrangement of the cells change after the sun shines on it.
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