Your skeleton keeps growing until you are about 35, then you start to shrink.
74
The heart pumps about 1 million barrels of blood during an average lifetime!
30
The average sperm cell swims at 8 inches per hour.
4
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Only 1% of bacteria cause disease in humans!
2
Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10
On average, there's 100 billion neurons in the human brain.
83
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44