Hair Structure & Growth

What is the purpose of the arrector pili muscle?

• cause hair to stand up
• stimulate the growth of new cells
• shed the hair naturally
• hold the hair in place

The central core of the hair is called the...?

• Medulla
• Cuticle
• Cortex
• Shaft

When being compared to a wooden pencil, which part of hair represents the wood?

• medulla
• cuticle
• follicular tag
• cortex

The tough clear outside covering of a hair shaft is

• cuticle
• cortex
• medulla
• polymer

The layer of hair that provides strength, color and texture is

• the cortex
• the medulla
• the cuticle
• the polymer

What is the outermost layer of the skin?

• Epidermis
• Dermis
• Subcutaneous
• fatty layer

What is the purpose of the sebaceous glands?

• Secretes oily and waxy matter
• Cleans your skin.
• Prevents Cancer
• Protects from the Sun

What surrounds the root of the hair?

• hair shaft
• sebaceous gland
• hair bulb
• epidermis

In the ______ living cells divide and grow to build the hair.

• hair papilla
• hair bulb
• arrector pili muscle
• cuticle

The _____ supplies nutrients through blood vessels and is located at the bottom of the follicle.

• hair bulb
• hair papilla
• hair shaft
• medulla