Your heart will pump about 212 million liters in its lifetime.
26
The skin on your lips is 200 times more sensitive than your fingertips.
345
The lense of the eye continues to grow throughout a person's life.
34
Contrary to popular beliefs, chocolate does not cause acne.
63
A human being loses an average of 40 to 100 strands of hair a day.
133
It takes 17 muscles to smile, 43 to frown.
65
The human brain doesn't stop developing until about 25 years old.
102
Only 1% of bacteria cause disease.
45