Flu shots only work about 70% of the time.
18
One quarter of the human brain is used to control the eyes.
43
The chemicals indole and skatole, which help to account for the particular smell of human feces, are used as ingredients in perfume!
-3
The human heart creates enough pressure to squirt blood 30 ft.
37
Human teeth are almost as hard as rocks!
47
Chewing gum boosts your brain power.
285
Every time you sneeze some of your brain cells die.
113