Chapter 4 – Personal Health

2. head lice – small insects that live on the scalp and suck blood. 3. cuticle – is a thin flap of skin around the nail. 4. follicles – where hair grows from. 5. keratin – material that hair is made from . A. Hair. 1. grows from a follicle. 2. made from keratin . a. the strength of keratin allows hair to stick out from the surface ................
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