The average person's skin weighs twice as much as their brain.
131
There are about 1,400 different species of bacteria in your belly button.
10
Gardening is said to be one of the best exercises for maintaining healthy bones.
40
Your ribs move about 5 million times a year, every time you breathe!
60
About 400 different kinds of microbes live on and in the human body.
-3
According to a 1950s survey, 75% of men ejaculate within two minutes of penetration.
109
Your body is creating and killing 15 million red blood cells per second.
50
In older people, memory is best early in the morning and then declines during the late afternoon.
33