Pain occurs when sounds are above 130 db.
124
The human sigh acts as a physiological reset button.
23
The average sperm cell swims at 8 inches per hour.
4
The human brain doesn't stop developing until about 25 years old.
102
The human eye blinks an average of 4,200,000 times a year.
233
In one day, adult lungs move about 10,000 litres of air.
11
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
We share 70% of our DNA with a slug.
218