About this video
This video explains how hair grows and why it stops growing. It also talks about what makes hair different colors and textures. You'll learn about a woman who had super long hair!
🧠 Quiz & Trivia
Test your knowledge after watching!
Q1 What is the name of the part of the hair follicle that contains rapidly dividing cells?
Answer: Hair bulb
Q2 How long does it take for human hair to grow on average?
Answer: About 15 centimeters per year
Q3 What causes hair to turn gray?
Answer: Running out of pigment-producing cells called melanocyte stem cells
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