Arrector pili d) The oil glands of the skin (c) Sebaceous glands e) Thickened, club-shaped structure; forms (d) the lower part of the root Hair follicles are distributed all over the body, with the exception of: (The palms of the hands.) (The of the feet.) A single hair follicle will only ever produce one hair. True (X) False The lowest part of the hair strand is called the . (bulb) hair Which part of the root contains the blood and nerve supply that provides the nutrients needed for hair (The dermal papilla.) growth? Which muscle when contracted causes goose (Arrector pili.) bumps? , which The sebaceous glands secrete an oily substance called lubricates the hair and skin. Identify the parts of the skin and hair illustrated below: (Hair root) (Epidermis or outer layer of the skin) (Sebaceous or (Hair follicle) oil gland) (Arrector pili) (Hair bulb) (Dermal papilla) What are the three main layers of the hair shaft? (Cuticle.) (Cortex.) (Medulla.) The outermost of the hair is . (cuticle) the Describe the cuticle layer. (It consists of an overlapping layer of transparent,
(c) (d) Arrector pili d) The oil glands of the skin Sebaceous glands e) Thickened, club-shaped structure; forms the lower part of the root Hair follicles are distributed all over the body, with the exception of: (The palms of the hands.) (The of the feet.) A single hair follicle will only ever produce one hair. True (X) False The lowest part of the hair strand is called the hair (bulb) . Which part of the root contains the blood and nerve supply that provides the nutrients needed for hair growth? (The dermal papilla.) Which muscle when contracted causes goose bumps? (Arrector pili.) The sebaceous glands secrete an oily substance called lubricates the hair and skin. Identify the parts of the skin and hair illustrated below: , which (Epidermis or outer layer of the skin) (Hair follicle) (Hair root) (Sebaceous or oil gland) (Arrector pili) (Hair bulb) (Dermal papilla) What are the three main layers of the hair shaft? (Cuticle.) (Cortex.) (Medulla.) The outermost of the hair is the (cuticle) . Describe the cuticle layer. (It consists of an overlapping layer of transparent,
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