Which does the epidermis contain? a. hair follicles b. blood vessels c.sweat glands d. keratin

Its two main layers are the epidermis (outer layer) and dermis (inner layer). The epidermis has several strata (layers) that contain four cell types. Keratinocytes produce keratin, a protein that gives skin its strength and flexibility and waterproofs the skin surface.

Your answer is gonna be: Keratin.

actually it's only 15 points but you spent 30, what the system does is it halves the points you spent on the question. Short term costs less while Long term costs more