Prab
Created page with "Hair is a protein filament that grows from follicles in mammal skin, providing insulation and protection and also sensory input. Moreover, hair can serve as a means of cultural and personal expression. ==Structure== *The cuticle, cortex, and medulla are the three major layers that make up hair. The outermost layer of hair, or cuticle, protects the hair shaft. The hair's thickest layer, the cortex, gives the hair its strength, color, and shape. The [[medulla]..."
