Hair,+p6



http://blog.tauedu.org/wp-content/uploads/2012/06/Copy-of-HumanSkinDiagram.jpg

Parts of hair and functions:

1) Shaft- Visible from outside of scalp, provides warmth and secrets oily substance called sebum. 2) Root- keeps the hair "stuck" to your head 3) Follicle- constantly producing and removing hair. Helps regulate body temp and keeps skin moist. 4) Arrector pili muscle-mussel that connects hair follicle to the dermis