Fibril and hence the whole muscle. Elastin is a fibrous protein common in various soft tissues, like skin, blood vessels and lung tissue. Each monomer connects with each other, forming a 3D network, with ability to endure over 200% strain before deformation. Keratin is a structural protein mainly found in hair, nails, hooves, horns, quills. Basically keratin is formed by polypeptide chains, which coil into α-helices with sulfur cross-links or bond into β-sheets linked by hydrogen bonding. β-keratin, which is tougher than α-conformation, is more common in birds and reptiles. Resilin is an elastomeric insect protein, consisting of both α-helices and
African-American hair to as "razor bumps", many prefer not to shave. The Afro-American culture is increasingly embracing natural hair, contributing much to society and media. Such as in art, music, poetry, and other forms of media. From textile artist Sonya Clark, singer Solange Knowles, poet Maya Angelou, and actress Lupita Nyong'o. Also on social media there is an uprising of natural YouTube channels, and blogs. The natural hair community has grown so much they even have their own vocabulary and acronyms. Including in all these different forms of media they are embraced their natural hair, skin, and being. The Natural hair movement