It takes about 20 seconds for a red blood cell to circle the whole body.
102
The average sperm cell swims at 8 inches per hour.
4
Human teeth are almost as hard as rocks!
47
Kissing an infection-free partner is good for your teeth!
141
It takes approximately 12 hours for food to entirely digest.
93
Our Right Lungs takes more air than our left lung.
194
On average, someone in the US suffers a stroke every 40 seconds; someone dies every 3 minutes from stroke.
56
Women buy four out of every 10 condoms sold.
71