The skin on your lips is 200 times more sensitive than your fingertips.
345
The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
In Japan, condoms are commonly sold 'door to door'!
54
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
Within three days of death, the enzymes that once digested your food begin to eat you.
22
Perspiration is odorless; it is the bacteria on the skin that creates an odor.
39
A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45

