You can alleviate a tickly throat by scratching your ear.
9
We are born with 350 bones, and die with 206.
135
Fingernails grow fastest on the hand you favor.
44
The average sperm cell swims at 8 inches per hour.
4
Your heart will pump about 212 million liters in its lifetime.
26
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
While 7 men in 100 have some form of color blindness, only 1 woman in 1,000 suffers from it.
50
On average, women have always lived longer than men.
195