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This Concept Map, created with IHMC CmapTools, has information related to: Hair Structure and Function cMap, - warmth (insulation) - protection - communication which has lessened over the years due to evolution & adaptation, - coronal - spinous - imbricate and is seen as the outer layer, - human vs. non-human - ethnicity - origin of location on the body medullary index, -cuticle - cortex - medulla can be intermitted/ interrupted, fragmented, continuous, stacked, or absent, HAIR is found as human and non-human, HAIR follucle may be seen in the shape of - round - oval - crescent moon, covalent bonds causing resistance to degregation, resistance to degregation and allowing it to be most common evidence found at a crimescene, HAIR may tell if owner had any toxins/ drugs in their system, human and non-human is determined by medullary index, HAIR is composed of covalent bonds, -cuticle - cortex - medulla is the inner layer, toxins/ drugs in their system through chemical analysis, HAIR functions as a means of - warmth (insulation) - protection - communication, HAIR is individual per person, individual per person seen through traits such as melanin (individual hair color), HAIR has three stages of growth - anagen (actively growing) - catagen (resting phase) - felogen (preparing to push hair out), -cuticle - cortex - medulla differentiates human and non-human, HAIR is structured into three parts -cuticle - cortex - medulla, HAIR is the most common evidence found at a crimescene