- It takes 7 seconds for food to pass from mouth to stomach.
- A human hair can hold 3 kg.
- The length of the penis is three times the length of the thumb.
- The femur is as hard as concrete.
- A woman's heart beats faster than a man's.
- Women blink twice as often as men.
- We use 300 muscles just to keep our balance when we stand.
- The woman has read this entire text.
- The man is still looking at his thumb.