Why Do We Change? 8 Questions You've Always Wondered About Your Body! | COLOSSAL QUESTIONS

8 Colossal Questions all about our bodies and what it's like to get old!
0:00 Should You Pee in the Pool?
1:50 Why Do People Go Bald?
3:31 Why Do We Stop Growing?
4:51 How Old Can You Get?
7:24 Why Are There Different Eye Colors?
9:30 What Makes Hair Curly or Straight?
11:14 Why Are We Different Sizes?
13:37 When Did We Start Shaking Hands?
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