CH. 5 Hair Part 1

What is the average number of hairs found on a human body?

• 5 million

• 15 million

• 25 million

• 0.5 million

On average, what hair color contains the most hair on their heads?

• Red hair

• Brown Hair

• Blonde Hair

• Black Hair

What protein is hair primarily composed of?

(a)  

Which layer of skin does hair grow from?

• dermis

• epidermis

• hypodermis

What are the three parts make up a hair shaft?

(a)  

Which part of the hair shaft is used to determine the animal species of origin?

• cortex

• medulla

• cuticle