Every year your body replaces 98% of your atoms.
119
The average person's skin weighs twice as much as their brain.
131
The average sperm cell swims at 8 inches per hour.
76
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Your thumb is about the same size as your nose.
124
Chewing gum boosts your brain power.
285
Our Right Lungs takes more air than our left lung.
194