Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Your thumb is about the same size as your nose.
124
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
22
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
A person can live without food for about a month, but only about a week without water.
156
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
Your heart will pump about 212 million liters in its lifetime.
26