On average, there's 100 billion neurons in the human brain.
83
The human body contains over a billion miles of DNA.
147
The average female will have 3.3 pregnancies in her life.
49
Kissing an infection-free partner is good for your teeth!
141
Fidgeting can burn about 350 calories a day.
201
We are born with 350 bones, and die with 206.
135
On average, women have always lived longer than men.
195
Like fingerprints, everyone's tongue print is different!
71