It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Held in farts enter your bloodstream and are bad for your body.
26
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
The average sperm cell swims at 8 inches per hour.
76
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13