The average sperm cell swims at 8 inches per hour.
76
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
There's 100 trillion good bacteria living in your body.
17
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
The human sigh acts as a physiological reset button.
23
Within three days of death, the enzymes that once digested your food begin to eat you.
22
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22