High Five Facts - Hair

The video presents five intriguing facts about hair. It starts with the number of hair follicles on the human head and the natural hair loss process. It highlights the strength of hair, capable of supporting significant weight. The video explains that only a small percentage of the human body is hairless, comparing human hair to that of chimpanzees. It discusses the composition of hair, primarily made of keratin, and how hair growth varies with seasons. Finally, it emphasizes the protective and communicative functions of hair, such as shielding eyes from debris and expressing emotions.

What is the average number of hair follicles on a human head?

• 200,000

• 150,000

• 100,000

• 50,000

Which hair color is associated with the highest number of hair follicles?

• Red

• Blonde

• Black

• Brown

How much weight can a single strand of hair support?

• 100 grams

• 200 grams

• 150 grams

• 50 grams

Which part of the body does not grow hair?

• Palms

• Back

• Arms

• Legs

What protein is hair primarily made of?

• Keratin

• Elastin

• Collagen

• Myosin