The average sperm cell swims at 8 inches per hour.
76
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
The human sigh acts as a physiological reset button.
23
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
If you hold farts in during the day, they'll just come out when you sleep.
16