Things You Didn't Know About Your Own Body

The Top Ten

1 Human hair pound for pound is as strong as kevlar

2 You are taller in the morning by about half an inch (1.27 cm)

3 Humans can glow in the dark emitting light due to the chemical reactions in the body

4 The brain is 2 percent of our body weight but takes 20 percent of the body's oxygen & calories

5 Your lungs have around 500,000,000 alveoil that allow oxygen into the blood

6 Digestive acid is strong enough to dissolve zinc

BAdd New Item