The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
Your heart will pump about 212 million liters in its lifetime.
26
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
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
You see your nose at all times, your brain just chooses to ignore it.
30
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
There are about 1,400 different species of bacteria in your belly button.
10