The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
If you stop working out, it takes twice as long to lose strength than it took to gain it.
16
It takes about 20 seconds for a red blood cell to circle the whole body.
102
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
Music has the ability to repair brain damage and return lost memories.
62
About 400 different kinds of microbes live on and in the human body.
-3
Smokers get ten times more wrinkles than non-smokers.
171
Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20