Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Within three days of death, the enzymes that once digested your food begin to eat you.
22
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Your heart will pump about 212 million liters in its lifetime.
26
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
The average sperm cell swims at 8 inches per hour.
76
Our Right Lungs takes more air than our left lung.
194