You see your nose at all times, your brain just chooses to ignore it.
30
If you hold farts in during the day, they'll just come out when you sleep.
16
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
There's 100 trillion good bacteria living in your body.
17
Gin is a mild diuretic which helps the body get rid of excessive fluid. Thus, it can reduce problems such as menstrual bloating.
90
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 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
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32