If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
Enamel is hardest substance in the human body.
61
When you look up at the blue sky and see white dots flying around, you’re actually seeing your own white blood cells.
30
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
The human heart creates enough pressure to squirt blood 30 ft.
37