hair structure

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

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

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

The fibrous protein core formed by elongated cells that contains melanin pigment is the:

• cuticle

• sebum

• cortex

• medulla

The fibrous protein core formed by elongated cells that contains melanin pigment is the:

• cuticle
•  sebum
•  cortex
• medulla

The medulla, the innermost layer of the hair, is composed of cells that are:

• transparent
•  flat
• elongated 
• round

The outside layer of the hair shaft is called this

• cortex

• cuticle

• medulla

• epidermis

The main function of the outside layer is what

• Protection

• Absorb moisture

• Absorb colour

• Secrete oils