Every year your body replaces 98% of your atoms.
119
One human hair can support 3 ounces.
191
The human brain doesn't stop developing until about 25 years old.
102
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Yawns are more contagious among people with closer relationships.
163
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Our Right Lungs takes more air than our left lung.
194
Your thumb is about the same size as your nose.
124