The first patented condom was meant to be reused!
47
The smallest human penis ever recorded was just 5/8 of an inch long!
77
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
Pain occurs when sounds are above 130 db.
123
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Ingrown toenails are hereditary.
15
There are 206 bones in the human body!
-17