Your heart will pump about 212 million liters in its lifetime.
26
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
The chemicals indole and skatole, which help to account for the particular smell of human feces, are used as ingredients in perfume!
-3
One quarter of the bones in your body are in your feet!
36
Each nostril of a human being register smell in a different way. Smells that are made from the right nostril are more pleasant than the left.
38
There's 100 trillion good bacteria living in your body.
17
Kissing an infection-free partner is good for your teeth!
141
The average person's skin weighs twice as much as their brain.
131