The average female will have 3.3 pregnancies in her life.
49
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
Fingernails grow nearly 4 times faster than toenails!
30
The average person who stops smoking requires one hour less sleep a night.
79
We blink 25 times a minute.
51
Your heart rate can rise as much as 30% during a yawn.
69
There is a disease called ichthyosis that turns the skin scaly like a fish.
90
A woman's sense of smell is most sensitive during ovulation.
34