The average sperm cell swims at 8 inches per hour.
76
When you take a step, you are using up to 200 muscles.
886
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Poor eyesight (myopia) is associated with higher IQ.
232