Your thumb is about the same size as your nose.
124
Every year your body replaces 98% of your atoms.
119
Our Right Lungs takes more air than our left lung.
194
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The average person's skin weighs twice as much as their brain.
131
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The human body contains over a billion miles of DNA.
147
When you take a step, you are using up to 200 muscles.
885