What are the three layers of hair

Each hair shaft is made up of two or three layers: the cuticle, the cortex, and sometimes the medulla. The cuticle is the outermost layer. Made of flattened cells that overlap like the tiles on a terra-cotta roof, the cuticle protects the inside of the hair shaft from damage.

answer; i believe the correct answer is ( indirect characterization);

1. it me on problems i dont know.

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- courtney