Flu shots only work about 70% of the time.
18
Every day, the average person swallows about a quart of mucous.
5
Your body is creating and killing 15 million red blood cells per second.
50
Panophobia is the fear of everything.
52
A woman's sense of smell is most sensitive during ovulation.
34
The average sperm cell swims at 8 inches per hour.
4
Women buy four out of every 10 condoms sold.
71