Hair Anatomy

The video tutorial provides an in-depth look at hair, explaining its role in insulation and protection. It covers the anatomy of hair follicles, detailing parts like the dermal papilla and sebaceous glands. The tutorial also describes the four stages of hair growth: anagen, catagen, telogen, and exogen, highlighting the processes and durations of each stage.

How does hair protect the body from ultraviolet rays?

What is the primary function of hair follicles?

What is keratin and what role does it play in hair?

Describe the four stages of hair growth.

What happens during the catagen stage of hair growth?