One out of 20 people have an extra rib.
66
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Poor eyesight (myopia) is associated with higher IQ.
232
Kissing an infection-free partner is good for your teeth!
141
Most lipstick contains fish scales.
37
Pain occurs when sounds are above 130 db.
124
Your heart pumps about 2,000 gallons of blood each day!
53
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39