Human hair and fingernails continue to grow after death.
7
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
Each nostril of a human being register smell in a different way. Smells that are made from the right nostril are more pleasant than the left.
38
Flu shots only work about 70% of the time.
18
In the average lifetime a person will breath in about 44 pounds of dust.
21
Banging your head against a wall uses 150 calories an hour.
57
The average human body contains enough iron to make a small nail.
50
If you stop working out, it takes twice as long to lose strength than it took to gain it.
16